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Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study (2024)
Journal Article
Wadge, M. D., Agyakwa, P. A., Felfel, R. M., Homer, R., Cooper, T. P., Kudrynskyi, Z. R., …Grant, D. M. (2024). Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study. Materials and Design, 240, Article 112835. https://doi.org/10.1016/j.matdes.2024.112835

This study details the novel self-assembly of sodium titanate converted Ti-based microspheres into hierarchical porous 3D constructs, with macro-, micro-, and nanoporosity, for the first time. Ti6Al4V microspheres were suspended into 5 M NaOH (60 °C/... Read More about Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study.

Functional performance of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold: a pre-clinical in vitro tribological study (2024)
Journal Article
Cowie, R. M., Macri-Pellizzeri, L., McLaren, J., Sanderson, W. J., Felfel, R. M., Scotchford, C. A., …Jennings, L. M. (2024). Functional performance of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold: a pre-clinical in vitro tribological study. Royal Society Open Science, 11(1), Article 230431. https://doi.org/10.1098/rsos.230431

Osteochondral grafts are used for repair of focal osteochondral lesions. Autologous grafts are the gold standard treatment; however, limited graft availability and donor site morbidity restrict use. Therefore, there is a clinical need for different g... Read More about Functional performance of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold: a pre-clinical in vitro tribological study.

Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys (2023)
Journal Article
McGrath, A. J., Wadge, M. D., Adams, M., Manickam, K., Ling, S., Walker, G. S., & Grant, D. M. (2024). Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys. International Journal of Hydrogen Energy, 53, 582-591. https://doi.org/10.1016/j.ijhydene.2023.12.062

This study presents the effect of stoichiometry and annealing condition on Ti–Cr AB2-type hydrogen storage alloys. Prior to annealing the majority phase of the as-cast alloys was the C14 Laves phase, with separate Ti and Cr phases. Annealing treatmen... Read More about Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys.

Towards Pareto optimal high entropy hydrides via data-driven materials discovery (2023)
Journal Article
Witman, M. D., Ling, S., Wadge, M., Bouzidi, A., Pineda-Romero, N., Clulow, R., …Stavila, V. (2023). Towards Pareto optimal high entropy hydrides via data-driven materials discovery. Journal of Materials Chemistry A, 11(29), 15878-15888. https://doi.org/10.1039/d3ta02323k

The ability to rapidly screen material performance in the vast space of high entropy alloys is of critical importance to efficiently identify optimal hydride candidates for various use cases. Given the prohibitive complexity of first principles simul... Read More about Towards Pareto optimal high entropy hydrides via data-driven materials discovery.

Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes (2023)
Journal Article
Wadge, M. D., Lowther, M., Cooper, T. P., Reynolds, W. J., Speidel, A., Carter, L. N., …Cox, S. C. (2023). Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes. Journal of Materials Processing Technology, 317, Article 117985. https://doi.org/10.1016/j.jmatprotec.2023.117985

Processing of highly reflective and high thermally conductive materials (Cu, Ag, etc.) by laser powder bed fusion (LPBF) is of increasing interest to broaden the range of materials that can be additively manufactured. However, these alloys are challe... Read More about Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes.

Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy (2023)
Journal Article
Nigar, F., Johnston, A. L., Smith, J., Oakley, W., Islam, M. T., Felfel, R., …Ahmed, I. (2023). Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy. Materials, 16(6), Article 2138. https://doi.org/10.3390/ma16062138

Biowastes from agriculture, sewage, household wastes, and industries comprise promising resources to produce biomaterials while reducing adverse environmental effects. This study focused on utilising waste-derived materials (i.e., eggshells as a calc... Read More about Production of Nano Hydroxyapatite and Mg-Whitlockite from Biowaste-Derived products via Continuous Flow Hydrothermal Synthesis: A Step towards Circular Economy.

Recent enterprises in high-rate monolithic photo-electrochemical energy harvest and storage devices (2023)
Journal Article
Turner, D., Li, M., Grant, D., & Ola, O. (2023). Recent enterprises in high-rate monolithic photo-electrochemical energy harvest and storage devices. Current Opinion in Electrochemistry, 38, Article 101243. https://doi.org/10.1016/j.coelec.2023.101243

Solar energy is set to play a major role in decarbonising the economy and creating a zero-emissions future. However, there is a need to store this abundant energy and, in many instances, supply that energy at a high rate. With large expense and effic... Read More about Recent enterprises in high-rate monolithic photo-electrochemical energy harvest and storage devices.

Developing alkaline titanate surfaces for medical applications (2023)
Journal Article
Wadge, M. D., McGuire, J., Thomas, K. G., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (in press). Developing alkaline titanate surfaces for medical applications. International Materials Reviews, Article 2153217. https://doi.org/10.1080/09506608.2022.2153217

Improving the surface of medical implants by plasma spraying of a hydroxyapatite coating can be of critical importance to their longevity and the patient’s convalescence. However, residual stresses, cracking, undesired crystallisation and delaminatio... Read More about Developing alkaline titanate surfaces for medical applications.

Substitutional effect of Ti-based AB2 hydrogen storage alloys: A density functional theory study (2023)
Journal Article
Loh, S. M., Grant, D. M., Walker, G. S., & Ling, S. (2023). Substitutional effect of Ti-based AB2 hydrogen storage alloys: A density functional theory study. International Journal of Hydrogen Energy, 48(35), 13227-13235. https://doi.org/10.1016/j.ijhydene.2022.12.083

Stability of AB2 alloy in Laves phases C14 and C15 were studied by first-principle density functional theory simulations. A range of different combinations of B and C elements in the Ti1−xCxB2 alloys were considered. The formation energies of these a... Read More about Substitutional effect of Ti-based AB2 hydrogen storage alloys: A density functional theory study.

Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response (2022)
Journal Article
Wadge, M. D., Bird, M. A., Sankowski, A., Constantin, H., Fay, M. W., Cooper, T. P., …Grant, D. M. (2023). Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response. Advanced Materials Interfaces, 10(5), Article 2201523. https://doi.org/10.1002/admi.202201523

This study describes the chemical conversion and heat treatment of Ti6Al4V microspheres (Ti6_MS), and the resulting effects on their electrocatalytic properties. The wet-chemical conversion (5.0m NaOH, 60°C, 24h; Sample label: Ti6_TC) converts the to... Read More about Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response.

Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures (2022)
Journal Article
Patanè, A., Felton, J., Blundo, E., Kudrynskyi, Z., Ling, S., Bradford, J., …Patane, A. (2022). Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures. Small, 18(33), Article 2202661. https://doi.org/10.1002/smll.202202661

The family of van der Waals (vdW) materials is large and diverse with applications ranging from electronics and optoelectronics to catalysis and chemical storage. However, despite intensive research, there remains significant knowledge-gaps pertainin... Read More about Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures.

Highly Aligned Ni-Decorated GO–CNT Nanostructures in Epoxy with Enhanced Thermal and Electrical Properties (2022)
Journal Article
Hu, C., Zhang, H., Neate, N., Fay, M., Hou, X., Grant, D., & Xu, F. (2022). Highly Aligned Ni-Decorated GO–CNT Nanostructures in Epoxy with Enhanced Thermal and Electrical Properties. Polymers, 14(13), Article 2583. https://doi.org/10.3390/polym14132583

In this study, graphene oxide–carbon nanotubes nanostructures decorated with nickel nanoparticles (NiGNT) were prepared through the molecular-level-mixing method, followed by a reduction process, and then applied as reinforcements to enhance the epox... Read More about Highly Aligned Ni-Decorated GO–CNT Nanostructures in Epoxy with Enhanced Thermal and Electrical Properties.

Engineering the next generation of photorechargeable zinc-air batteries (2022)
Journal Article
Ola, O., Wang, N., Walker, G., Zhu, Y., & Grant, D. (2022). Engineering the next generation of photorechargeable zinc-air batteries. Current Opinion in Electrochemistry, 35, Article 101040. https://doi.org/10.1016/j.coelec.2022.101040

Solar energy has been identified as one of the key building blocks of the future energy generation mix required to meet greenhouse gas emissions targets while leading the way to a zero-carbon economy. In our opinion, photorechargeable zinc-air batter... Read More about Engineering the next generation of photorechargeable zinc-air batteries.

Perspective — Redox Ionic Liquid Electrolytes for Supercapattery (2022)
Journal Article
Guan, L., Chen, G. Z., Croft, A., & Grant, D. (2022). Perspective — Redox Ionic Liquid Electrolytes for Supercapattery. Journal of The Electrochemical Society, 169(3), Article 030529. https://doi.org/10.1149/1945-7111/ac5ba8

Adding redox activity into ionic liquids (ILs) extends their practical roles beyond an inert ionic conductor or electrolyte for applications in electrochemical energy storage. Especially for supercapatteries, redox ILs are desirable because they can... Read More about Perspective — Redox Ionic Liquid Electrolytes for Supercapattery.

Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion (2022)
Journal Article
Wadge, M. D., Carrington, M. J., Constantin, H., Orange, K., Greaves, J., Islam, M. T., …Grant, D. M. (2022). Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion. Materials Characterization, 185, Article 111760. https://doi.org/10.1016/j.matchar.2022.111760

The authors present novel insights into the formation of nanoporous, wet-chemically produced sodium titanate films onto microspherical substrates of varying composition. Microspheres of Ti6Al4V (atomised; ca. 20–50 μm), which were utilised due to the... Read More about Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion.

Development and in vitro assessment of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold (2022)
Journal Article
Pitrolino, K. A., Felfel, R. M., Pellizzeri, L. M., McLaren, J., Popov, A. A., Sottile, V., …Grant, D. M. (2022). Development and in vitro assessment of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold. Carbohydrate Polymers, 282, Article 119126. https://doi.org/10.1016/j.carbpol.2022.119126

An innovative approach was developed to engineer a multi-layered chitosan scaffold for osteochondral defect repair. A combination of freeze drying and porogen-leaching out methods produced a porous, bioresorbable scaffold with a distinct gradient of... Read More about Development and in vitro assessment of a bi-layered chitosan-nano-hydroxyapatite osteochondral scaffold.

Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites (2021)
Conference Proceeding
Ola, O., Chen, Y., Zhu, Y., & Grant, D. (2021). Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites. In 2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP). https://doi.org/10.1109/nap51885.2021.9656569

Hexagonal tungsten oxide (WO 3 ) holds great promise as an electrode material for pseudocapacitors due to its earth abundance, low cost, multiple oxidation states, high packing density (>7 g cm -3 ) and electrochemical reversibility. Here, we present... Read More about Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites.

Enhanced thermal and electrical properties by Ag nanoparticles decorated GO-CNT nanostructures in PEEK composites (2021)
Journal Article
Hu, C., Liu, T., Neate, N., Fay, M., Hou, X., Grant, D., & Xu, F. (2022). Enhanced thermal and electrical properties by Ag nanoparticles decorated GO-CNT nanostructures in PEEK composites. Composites Science and Technology, 218, Article 109201. https://doi.org/10.1016/j.compscitech.2021.109201

A nanostructure of graphene oxide (GO) and carbon nanotubes (CNTs) decorated with silver nanoparticles (AgGNT) has been prepared via a molecular-level-mixing (MLM) method followed by a subsequent freeze-drying and reduction process. The obtained well... Read More about Enhanced thermal and electrical properties by Ag nanoparticles decorated GO-CNT nanostructures in PEEK composites.

The interaction of volatile metal coatings during the laser powder bed fusion of copper (2021)
Journal Article
Speidel, A., Wadge, M. D., Gargalis, L., Cooper, T. P., Reynolds, W., Grant, D., …Murray, J. W. (2022). The interaction of volatile metal coatings during the laser powder bed fusion of copper. Journal of Materials Processing Technology, 299, Article 117332. https://doi.org/10.1016/j.jmatprotec.2021.117332

The high optical reflectance of Cu at near-infrared wavelengths narrows the process window to fabricate Cu parts by laser powder bed fusion (LPBF). Coating powders with optically absorptive materials has been investigated to improve processability an... Read More about The interaction of volatile metal coatings during the laser powder bed fusion of copper.

Long-Term Culture of Stem Cells on Phosphate-Based Glass Microspheres: Synergistic Role of Chemical Formulation and 3D Architecture (2021)
Journal Article
Gupta, D., Hossain, K. M. Z., Roe, M., Smith, E. F., Ahmed, I., Sottile, V., & Grant, D. M. (2021). Long-Term Culture of Stem Cells on Phosphate-Based Glass Microspheres: Synergistic Role of Chemical Formulation and 3D Architecture. ACS Applied Bio Materials, 4(8), 5987-6004. https://doi.org/10.1021/acsabm.1c00120

Phosphate-based glasses (PBGs) are biomaterials that degrade under physiological conditions and can be modified to release various ions depending on end applications. This study utilized slow-degrading (P45:45P2O5-16CaO-24MgO-11Na2O10 4Fe2O3, mol %)... Read More about Long-Term Culture of Stem Cells on Phosphate-Based Glass Microspheres: Synergistic Role of Chemical Formulation and 3D Architecture.

Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process (2021)
Journal Article
Bano, S., Rincon Romero, A., Islam, M. T., Grant, D. M., Ahmed, I., & Hussain, T. (2021). Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process. Journal of Thermal Spray Technology, 30(7), 1862-1874. https://doi.org/10.1007/s11666-021-01233-8

Phosphate based glasses (PBGs) are promising materials for biomedical applications due to their biocompatible and fully resorbable characteristics in aqueous environments. These glasses can be coated on to metal substrate via the technique of suspens... Read More about Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Process.

New solutions for combatting implant bacterial infection based on silver nano-dispersed and gallium incorporated phosphate bioactive glass sputtered films: A preliminary study (2021)
Journal Article
Stuart, B. W., Stan, G. E., Popa, A. C., Carrington, M. J., Zgura, I., Necsulescu, M., & Grant, D. M. (2022). New solutions for combatting implant bacterial infection based on silver nano-dispersed and gallium incorporated phosphate bioactive glass sputtered films: A preliminary study. Bioactive Materials, 8, 325-340. https://doi.org/10.1016/j.bioactmat.2021.05.055

Ag/Ga were incorporated into resorbable orthopaedic phosphate bioactive glasses (PBG, containing P, Ca, Mg, Na, and Fe) thin films to demonstrate their potential to limit growth of Staphylococcus aureus and Escherichia coli in post-operative prosthet... Read More about New solutions for combatting implant bacterial infection based on silver nano-dispersed and gallium incorporated phosphate bioactive glass sputtered films: A preliminary study.

YAG thermal barrier coatings deposited by suspension and solution precursor thermal spray (2021)
Journal Article
Owoseni, T. A., Rincon Romero, A., Pala, Z., Venturi, F., Lester, E. H., Grant, D. M., & Hussain, T. (2021). YAG thermal barrier coatings deposited by suspension and solution precursor thermal spray. Ceramics International, 47(17), 23803-23813. https://doi.org/10.1016/j.ceramint.2021.05.087

Yttrium aluminium garnet (YAG) is a promising topcoat material for thermal barrier coatings due to its high temperature stability and better CMAS (calcium-magnesium-alumino-silicate) resistance. YAG topcoats were deposited by suspension and solution... Read More about YAG thermal barrier coatings deposited by suspension and solution precursor thermal spray.

Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating (2021)
Journal Article
Felfel, R. M., Parsons, A. J., Chen, M., Stuart, B. W., Wadge, M. D., & Grant, D. M. (2021). Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating. Composites Part A: Applied Science and Manufacturing, 146, Article 106415. https://doi.org/10.1016/j.compositesa.2021.106415

Retaining a robust fibre-matrix interface in an aqueous environment has been an enduring challenge for fibre-reinforced biocomposites. This study addresses the issue by applying a polydopamine coating as a coupling agent to annealed and non-annealed... Read More about Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating.

Localized heating element distribution in composite metal foam-phase change material: Fourier's law and creeping flow effects (2021)
Journal Article
Talebizadeh Sardari, P., Mohammed, H. I., Mahdi, J. M., Ghalambaz, M., Gillott, M., Walker, G. S., …Giddings, D. (2021). Localized heating element distribution in composite metal foam-phase change material: Fourier's law and creeping flow effects. International Journal of Energy Research, 45(9), 13380-13396. https://doi.org/10.1002/er.6665

A numerical parametric study is presented of a domestic thermal storage heat exchanger to explore the effect of highly localized positive temperature coefficient cylindrical heating elements in a phase change material (PCM) with conductive enhancemen... Read More about Localized heating element distribution in composite metal foam-phase change material: Fourier's law and creeping flow effects.

In-vitro cell interaction and apatite forming ability in simulated body fluid of ICIE16 and 13-93 bioactive glass coatings deposited by an emerging suspension high velocity oxy fuel (SHVOF) thermal spray (2020)
Journal Article
Bano, S., Romero, A. R., Grant, D., Nommeots-Nomm, A., Scotchford, C., Ahmed, I., & Hussain, T. (2021). In-vitro cell interaction and apatite forming ability in simulated body fluid of ICIE16 and 13-93 bioactive glass coatings deposited by an emerging suspension high velocity oxy fuel (SHVOF) thermal spray. Surface and Coatings Technology, 407, Article 126764. https://doi.org/10.1016/j.surfcoat.2020.126764

ICIE16 and 13-93 bioactive glasses have been proposed as alternative chemically stable compositions in physiological fluid keeping bioactivity comparable to Bioglass®. ICIE16 and 13-93 bioactive glasses coatings were produced via an emerging suspensi... Read More about In-vitro cell interaction and apatite forming ability in simulated body fluid of ICIE16 and 13-93 bioactive glass coatings deposited by an emerging suspension high velocity oxy fuel (SHVOF) thermal spray.

Efficient dye-removal via Ni-decorated graphene oxide-carbon nanotube nanocomposites (2020)
Journal Article
Hu, C., Le, A. T., Pung, S. Y., Stevens, L., Neate, N., Hou, X., …Xu, F. (2021). Efficient dye-removal via Ni-decorated graphene oxide-carbon nanotube nanocomposites. Materials Chemistry and Physics, 260, Article 124117. https://doi.org/10.1016/j.matchemphys.2020.124117

The nickel nanoparticles decorated graphene oxide-carbon nanotubes nanocomposite has been prepared through a novel molecular-level-mixing method followed by a freeze-drying and subsequent reduction process. The resulting products showed a well-disper... Read More about Efficient dye-removal via Ni-decorated graphene oxide-carbon nanotube nanocomposites.

Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites (2020)
Journal Article
Ghosh, B., Xu, F., Grant, D. M., Giangrande, P., Gerada, C., George, M. W., & Hou, X. (2020). Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites. Advanced Electronic Materials, 6(11), Article 2000627. https://doi.org/10.1002/aelm.202000627

The substantial heat generation in modern electronic devices is one of the major issues requiring efficient thermal management. This work demonstrates a novel concept for the design of thermally conducting networks inside a polymer matrix for the dev... Read More about Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites.

Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings (2020)
Journal Article
Wadge, M. D., McGuire, J., Hanby, B. V., Felfel, R. M., Ahmed, I., & Grant, D. M. (2021). Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings. Journal of Magnesium and Alloys, 9(1), 336-350. https://doi.org/10.1016/j.jma.2020.07.001

A novel approach was developed to reduce the corrosion rate of magnesium (Mg) metal, utilising titanate coatings. Magnetron sputtering was used to deposit ca. 500 nm titanium (Ti) coatings onto pure Mg discs, followed by hydrothermal conversion and i... Read More about Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings.

Residual Stress Measurement of Suspension HVOF-Sprayed Alumina Coating via a Hole-Drilling Method (2020)
Journal Article
Owoseni, T. A., Bai, M., Curry, N., Lester, E. H., Grant, D. M., & Hussain, T. (2020). Residual Stress Measurement of Suspension HVOF-Sprayed Alumina Coating via a Hole-Drilling Method. Journal of Thermal Spray Technology, 29(6), 1339–1350. https://doi.org/10.1007/s11666-020-01072-z

The nature and magnitude of residual stresses in thermal-sprayed coatings determine their lifetime and failure mechanisms. The residual stresses of suspension high-velocity oxy-fuel (SHVOF) thermal sprayed alumina (Al2O3) coating were measured with h... Read More about Residual Stress Measurement of Suspension HVOF-Sprayed Alumina Coating via a Hole-Drilling Method.

Morphology and Defect Control of Metal Halide Perovskite Films for High-Performance Optoelectronics (2020)
Journal Article
Lei, L., Li, M., Grant, D. M., Yang, S., Yu, Y., Watts, J. A., & Amabilino, D. B. (2020). Morphology and Defect Control of Metal Halide Perovskite Films for High-Performance Optoelectronics. Chemistry of Materials, 32(14), 5958–5972. https://doi.org/10.1021/acs.chemmater.0c00798

Delicate morphology and defect control are crucial for high-performance optoelectronics. For metal halide perovskites, antisolvent precipitation is the most common process to realize the control and develop the state-of-art devices. However, the solu... Read More about Morphology and Defect Control of Metal Halide Perovskite Films for High-Performance Optoelectronics.

Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility (2020)
Journal Article
Coe, S. C., Wadge, M. D., Felfel, R. M., Ahmed, I., Walker, G. S., Scotchford, C. A., & Grant, D. M. (2020). Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility. Coatings, 10(2), Article 190. https://doi.org/10.3390/coatings10020190

In recent years, it has been found that small weight percent additions of silicon to HA can be used to enhance the initial response between bone tissue and HA. A large amount of research has been concerned with bulk materials, however, only recently... Read More about Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility.

Preclinical biological and physicochemical evaluation of two-photon engineered 3D biomimetic copolymer scaffolds for bone healing (2020)
Journal Article
Kampleitner, C., Changi, K., Felfel, R. M., Scotchford, C. A., Sottile, V., Kluger, R., …Epstein, M. M. (2020). Preclinical biological and physicochemical evaluation of two-photon engineered 3D biomimetic copolymer scaffolds for bone healing. Biomaterials Science, 8(6), 1683-1694. https://doi.org/10.1039/c9bm01827a

A major challenge in orthopedics is the repair of large non-union bone fractures. A promising therapy for this indication is the use of biodegradable bioinspired biomaterials that stabilize the fracture site, relieve pain and initiate bone formation... Read More about Preclinical biological and physicochemical evaluation of two-photon engineered 3D biomimetic copolymer scaffolds for bone healing.

Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films (2020)
Journal Article
Wadge, M. D., Turgut, B., Murray, J. W., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (2020). Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films. Journal of Colloid and Interface Science, 566, 271-283. https://doi.org/10.1016/j.jcis.2020.01.073

© 2020 The Authors Titanate structures have been widely investigated as biomedical component surfaces due to their bioactive, osteoinductive and antibacterial properties. However, these surfaces are limited to Ti and its alloys, due to the nature of... Read More about Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films.

Extracting an Empirical Intermetallic Hydride Design Principle from Limited Data via Interpretable Machine Learning (2019)
Journal Article
Witman, M., Ling, S., Grant, D. M., Walker, G. S., Agarwal, S., Stavila, V., & Allendorf, M. D. (2020). Extracting an Empirical Intermetallic Hydride Design Principle from Limited Data via Interpretable Machine Learning. Journal of Physical Chemistry Letters, 11(1), 40-47. https://doi.org/10.1021/acs.jpclett.9b02971

An open question in the metal hydride community is whether there are simple, physics-based design rules that dictate the thermodynamic properties of these materials across the variety of structures and chemistry they can exhibit. While black box mach... Read More about Extracting an Empirical Intermetallic Hydride Design Principle from Limited Data via Interpretable Machine Learning.

Discharge of a composite metal foam/phase change material to air heat exchanger for a domestic thermal storage unit (2019)
Journal Article
Talebizadeh Sardari, P., Giddings, D., Grant, D., Gillott, M., & Walker, G. S. (2020). Discharge of a composite metal foam/phase change material to air heat exchanger for a domestic thermal storage unit. Renewable Energy, 148, 987-1001. https://doi.org/10.1016/j.renene.2019.10.084

This paper evaluates the discharging mechanism in a PCM (phase change material) to air heat exchanger for the purpose of space heating using a composite of copper foam and PCM. The composite system is modelled with both 2-D and 3-D computational flui... Read More about Discharge of a composite metal foam/phase change material to air heat exchanger for a domestic thermal storage unit.

Impact of Serum Source on Human Mesenchymal Stem Cell Osteogenic Differentiation in Culture (2019)
Journal Article
Popov, A., Scotchford, C., Grant, D., & Sottile, V. (2019). Impact of Serum Source on Human Mesenchymal Stem Cell Osteogenic Differentiation in Culture. International Journal of Molecular Sciences, 20(20), https://doi.org/10.3390/ijms20205051

Human mesenchymal stem cells (MSCs) show promise for musculoskeletal repair applications. Animal-derived serum is extensively used for MSC culture as a source of nutrients, extracellular matrix proteins and growth factors. However, the routine use of... Read More about Impact of Serum Source on Human Mesenchymal Stem Cell Osteogenic Differentiation in Culture.

Numerical study of a multiple-segment metal foam-PCM latent heat storage unit: Effect of porosity, pore density and location of heat source (2019)
Journal Article
Sardari, P. T., Mohammed, H. I., Giddings, D., walker, G. S., Gillott, M., & Grant, D. (2019). Numerical study of a multiple-segment metal foam-PCM latent heat storage unit: Effect of porosity, pore density and location of heat source. Energy, 189, https://doi.org/10.1016/j.energy.2019.116108

This study numerically investigates the performance of the melting process for a PCM based heat storage system under the effect of different variables in a vertical container with a copper metal foam. Different cases were studied and compared includi... Read More about Numerical study of a multiple-segment metal foam-PCM latent heat storage unit: Effect of porosity, pore density and location of heat source.

Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment (2019)
Journal Article
Parsons, A. J., Felfel, R. M., Wadge, M. D., & Grant, D. M. (2020). Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment. International Journal of Applied Glass Science, 11(1), 35-45. https://doi.org/10.1111/ijag.13672

Phosphate based glass fibres (PGF) are of interest as reinforcements for degradable implants, but have seen limited application due to their rapid loss of strength when subjected to aqueous conditions. Previous studies have utilised heat treatments t... Read More about Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment.

Numerical modelling of phase change material melting process embedded in porous media: Effect of heat storage size (2019)
Journal Article
Talebizadeh Sardari, P., Walker, G. S., Gillott, M., Grant, D., & Giddings, D. (2019). Numerical modelling of phase change material melting process embedded in porous media: Effect of heat storage size. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 1-19. https://doi.org/10.1177/0957650919862974

The aim of this paper is to study the influence of enclosure size in latent heat thermal energy storage systems embedded in a porous medium for domestic usage of latent heat thermal energy storage heat exchangers. A 2-D rectangular enclosure is consi... Read More about Numerical modelling of phase change material melting process embedded in porous media: Effect of heat storage size.

Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering (2019)
Journal Article
Hanby, B. V., Stuart, B. W., Gimeno-Fabra, M., Moffat, J., Gerada, C., & Grant, D. M. (2019). Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering. Applied Surface Science, 492, 328-336. https://doi.org/10.1016/j.apsusc.2019.06.202

Multilayer thin films have the potential to act as high dielectric strength insulation for wire and microelectronics. In this study, films consisting of 2, 4 or 8 layers, composed of Al2O3 with SiO2 or Ta2O5, were prepared via pulsed direct current a... Read More about Layered Al2O3-SiO2 and Al2O3-Ta2O5 thin-film composites for high dielectric strength, deposited by pulsed direct current and radio frequency magnetron sputtering.

Modelling a kinetic deviation of the magnesium hydrogenation reaction at conditions close to equilibrium (2019)
Journal Article
Adams, M., Grant, D. M., Stuart, A., & Walker, G. S. (2019). Modelling a kinetic deviation of the magnesium hydrogenation reaction at conditions close to equilibrium. International Journal of Hydrogen Energy, 44(55), 29123-29131. https://doi.org/10.1016/j.ijhydene.2019.04.036

A model has been derived for the magnesium hydrogenation reaction at conditions close to equilibrium. The reaction mechanism involves an adsorption element, where the model is an extension of the Langmuir adsorption model. The concept of site availab... Read More about Modelling a kinetic deviation of the magnesium hydrogenation reaction at conditions close to equilibrium.

Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model (2019)
Journal Article
McLaren, J. S., Macri-Pellizzeri, L., Zakir Hossain, K. M., Patel, U., Grant, D. M., Scammell, B. E., …Sottile, V. (2019). Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model. ACS Applied Materials and Interfaces, 11(17), 15436–15446. https://doi.org/10.1021/acsami.9b04603

Phosphate-based glasses (PBG) are bioactive and fully degradable materials with tailorable degradation rates. PBGs can be produced as porous microspheres through a single-step process, using changes in their formulation and geometry to produce varyin... Read More about Porous phosphate-based glass microspheres show biocompatibility, tissue infiltration and osteogenic onset in an ovine bone defect model.

Integrated multi-assay culture model for stem cell chondrogenic differentiation (2019)
Journal Article
Prosser, A., Scotchford, C., Roberts, G., Grant, D., & Sottile, V. (2019). Integrated multi-assay culture model for stem cell chondrogenic differentiation. International Journal of Molecular Sciences, 20(4), https://doi.org/10.3390/ijms20040951

Recent osteochondral repair strategies highlight the promise of mesenchymal progenitors, an accessible stem cell source with osteogenic and chondrogenic potential, used in conjunction with biomaterials for tissue engineering. For this, regenerative m... Read More about Integrated multi-assay culture model for stem cell chondrogenic differentiation.

In vitro cellular testing of Strontium/Calcium substituted phosphate glass discs and microspheres shows potential for bone regeneration (2019)
Journal Article
Patel, U., Macri-Pellizzeri, L., Hossain, K. M. Z., Scammell, B. E., Grant, D. M., Scotchford, C. A., …Sottile, V. (2019). In vitro cellular testing of Strontium/Calcium substituted phosphate glass discs and microspheres shows potential for bone regeneration. Journal of Tissue Engineering and Regenerative Medicine, 13(3), 396-405. https://doi.org/10.1002/term.2796

Phosphate glasses (PBG) are ideal materials for regenerative medicine strategies since their composition, degradation rates and ion release profiles can easily be controlled. Strontium has previously been found to simultaneously affect bone resorptio... Read More about In vitro cellular testing of Strontium/Calcium substituted phosphate glass discs and microspheres shows potential for bone regeneration.

Computational mechanical characterization of geometrically transformed Schwarz P lattice tissue scaffolds fabricated via two photon polymerization (2PP) (2018)
Journal Article
Zabidi, A. Z., Li, S., Felfel, R. M., Thomas, K. G., Grant, D. M., Mcnally, D., & Scotchford, C. (2019). Computational mechanical characterization of geometrically transformed Schwarz P lattice tissue scaffolds fabricated via two photon polymerization (2PP). Additive Manufacturing, 25, 399-411. https://doi.org/10.1016/j.addma.2018.11.021

Schwarz P unit cell-based tissue scaffolds comprised of poly(D,L-lactide-co-caprolactone)(PLCL) fabricated via the additive manufacturing technique, two-photon polymerisation (2PP) were found to undergo geometrical transformations from the original i... Read More about Computational mechanical characterization of geometrically transformed Schwarz P lattice tissue scaffolds fabricated via two photon polymerization (2PP).

Structural, mechanical and swelling characteristics of 3D scaffolds from chitosan-agarose blends (2018)
Journal Article
Felfel, R. M., Gideon-Adeniyi, M. J., Hossain, K. M. Z., Roberts, G. A., & Grant, D. M. (2019). Structural, mechanical and swelling characteristics of 3D scaffolds from chitosan-agarose blends. Carbohydrate Polymers, 204, 59-67. https://doi.org/10.1016/j.carbpol.2018.10.002

This study aimed to explore the correlation between mechanical and structural properties of chitosan-agarose blend (Ch-Agrs) scaffolds. Porosity of Ch-Agrs scaffolds was constant at 93%, whilst pore sizes varied between 150 and 550 μm. Pore sizes of... Read More about Structural, mechanical and swelling characteristics of 3D scaffolds from chitosan-agarose blends.

Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradation (2018)
Journal Article
Stuart, B. W., Murray, J. W., & Grant, D. M. (2018). Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradation. Scientific Reports, 8, Article 14530. https://doi.org/10.1038/s41598-018-32612-x

Here we show a new and effective methodology for rapid/controllable porosification of thin-film ceramics, which may be applied, in medical devices/electronics and membrane nano-filtration. Dense hydroxyapatite applied to Ti6Al4V by plasma-assisted PV... Read More about Two step porosification of biomimetic thin-film hydroxyapatite/alpha-tri calcium phosphate coatings by pulsed electron beam irradation.

Performance of multiphase scaffolds for bone repair based on two-photon polymerized poly(d,l-lactide-co-?-caprolactone), recombinamers hydrogel and nano-HA (2018)
Journal Article
Felfel, R. M., Gupta, D., Zabidi, A. Z., Prosser, A., Scotchford, C. A., Sottile, V., & Grant, D. M. (2018). Performance of multiphase scaffolds for bone repair based on two-photon polymerized poly(d,l-lactide-co-?-caprolactone), recombinamers hydrogel and nano-HA. Materials and Design, 160, 455-467. https://doi.org/10.1016/j.matdes.2018.09.035

Multiphase hybrids were fabricated from poly(d,l-lactide-co-ɛ-caprolactone) (PLCL) copolymer scaffolds impregnated with silk-elastin-like recombinamers (SELRs) hydrogel containing 2 wt% hydroxyapatite nanoparticles (nHA). The PLCL scaffolds, triply-p... Read More about Performance of multiphase scaffolds for bone repair based on two-photon polymerized poly(d,l-lactide-co-?-caprolactone), recombinamers hydrogel and nano-HA.

Suspension high velocity oxy-fuel (SHVOF) spray of delta-theta alumina suspension: Phase transformation and tribology (2018)
Journal Article
Owoseni, T., Murray, J., Pala, Z., Lester, E., Grant, D., & Hussain, T. (2018). Suspension high velocity oxy-fuel (SHVOF) spray of delta-theta alumina suspension: Phase transformation and tribology. Surface and Coatings Technology, https://doi.org/10.1016/j.surfcoat.2018.08.047

Suspension high-velocity oxy-fuel (SHVOF) thermal spray is an emerging spray technology that enables the processing of nanometric feedstock. Although SHVOF thermal sprayed alumina coatings prepared from alpha alumina feedstock have been widely report... Read More about Suspension high velocity oxy-fuel (SHVOF) spray of delta-theta alumina suspension: Phase transformation and tribology.

Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering (2018)
Journal Article
Hanby, B. V., Stuart, B. W., Grant, C., Moffat, J., Blissett, J., Gerada, C., …Grant, D. M. (2018). Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering. Thin Solid Films, 662, 145-154. https://doi.org/10.1016/j.tsf.2018.07.004

Alumina films (~2 μm thick) were deposited with a mixed Cu/Al interlayer onto copper. Direct current (DC)/Pulsed DC (PDC) magnetron sputtering techniques were independently compared for reactive alumina sputtering. In DC sputtered films, elemental al... Read More about Dielectric breakdown of alumina thin films produced by pulsed direct current magnetron sputtering.

Laser sintering of nano-hydroxyapatite coated polyamide 12 powders (2018)
Journal Article
Hui, D., Goodridge, R. D., Scotchford, C., & Grant, D. M. (2018). Laser sintering of nano-hydroxyapatite coated polyamide 12 powders. Additive Manufacturing, 22, 560-570. https://doi.org/10.1016/j.addma.2018.05.045

As part of a larger study on the laser sintering (LS) of nano-composite structures for biomedical applications, a wet mixing method was used to coat Polyamide 12 (PA12) particles with nano-hydroxyapatite (nHA). The addition of nHA significantly affec... Read More about Laser sintering of nano-hydroxyapatite coated polyamide 12 powders.

Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes (2018)
Journal Article
Wadge, M. D., Stuart, B. W., Thomas, K. G., & Grant, D. M. (2018). Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes. Materials and Design, 155, https://doi.org/10.1016/j.matdes.2018.05.060

Infection negation and biofilm prevention are necessary developments needed for implant materials. Furthermore, an increase in publications regarding gallium (Ga) as an antimicrobial ion has resulted in bacterial-inhibitory surfaces incorporating gal... Read More about Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes.

Flexible and transparent films produced from cellulose nanowhisker reinforced agarose (2018)
Journal Article
Felfel, R. M., Hossain, K. M. Z., Kabir, S. F., Yee, S. L., Ahmed, I., & Grant, D. M. (2018). Flexible and transparent films produced from cellulose nanowhisker reinforced agarose. Carbohydrate Polymers, 194, https://doi.org/10.1016/j.carbpol.2018.04.005

Transparent and flexible nanocomposite films with a range of Agarose to Cellulose Nano-Whisker (CNW) ratios were produced using never-dried CNWs. The incorporation of never-dried CNWs within Agarose played an important role in the surface roughness (... Read More about Flexible and transparent films produced from cellulose nanowhisker reinforced agarose.

Gallium incorporation into phosphate based glasses: bulk and thin film properties (2018)
Journal Article
Stuart, B. W., Grant, C. A., Stan, G. E., Popa, A. C., Titman, J. J., & Grant, D. M. (2018). Gallium incorporation into phosphate based glasses: bulk and thin film properties. Journal of the Mechanical Behavior of Biomedical Materials, 82, https://doi.org/10.1016/j.jmbbm.2018.03.041

The osteogenic ions Ca2+, P5+, Mg2+, and antimicrobial ion Ga3+ were homogenously dispersed into a 1.45 mum thick phosphate glass coating by plasma assisted sputtering onto CP grade titanium. The objective was to deliver therapeutic ions in orthopedi... Read More about Gallium incorporation into phosphate based glasses: bulk and thin film properties.

Porous calcium phosphate glass microspheres for orthobiologic applications (2018)
Journal Article
Hossain, K. M. Z., Patel, U., Kennedy, A. R., Macri-Pellizzeri, L., Sottile, V., Grant, D. M., …Ahmed, I. (2018). Porous calcium phosphate glass microspheres for orthobiologic applications. Acta Biomaterialia, 72, 396-406. https://doi.org/10.1016/j.actbio.2018.03.040

© 2018 Orthobiologics is a rapidly advancing field utilising cell-based therapies and biomaterials to enable the body to repair and regenerate musculoskeletal tissues. This paper reports on a cost-effective flame spheroidisation process for producti... Read More about Porous calcium phosphate glass microspheres for orthobiologic applications.

Live quantitative monitoring of mineral deposition in stem cells using tetracycline hydrochloride (2018)
Journal Article
Macri-Pellizzeri, L., De Melo, N., Ahmed, I., Grant, D. M., Scammell, B., & Sottile, V. (2018). Live quantitative monitoring of mineral deposition in stem cells using tetracycline hydrochloride. Tissue Engineering Part C Methods, 24(3), https://doi.org/10.1089/ten.TEC.2017.0400

The final stage of in vitro osteogenic differentiation is characterized by the production of mineral deposits containing calcium cations and inorganic phosphates, which populate the extracellular matrix surrounding the cell monolayer. Conventional hi... Read More about Live quantitative monitoring of mineral deposition in stem cells using tetracycline hydrochloride.

Single solvent based film casting method for the production of porous polymer films (2018)
Journal Article
Hossain, K. M. Z., Felfel, R. M., Ogbilikana, P. S., Thakker, D., Grant, D. M., Scotchford, C., & Ahmed, I. (2018). Single solvent based film casting method for the production of porous polymer films. Macromolecular Materials and Engineering, 303, https://doi.org/10.1002/mame.201700628

A single solvent based film casting process for fabricating porous polymer films was developed in this study. The porous film was produced by mixing concentrated polylactic acid/ chloroform solution (20 wt%) and fresh chloroform solvent followed by f... Read More about Single solvent based film casting method for the production of porous polymer films.

Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants (2017)
Conference Proceeding
Tomczynska, M. M., Ward, M., Choong, G. Y. H., Walton, K., De Focatiis, D. S. A., Grant, D. M., …Parsons, A. J. (2017). Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants. In Proceedings of PPS-32: The 32nd International Conference of the Polymer Processing Society - Conference Papers (150004-1 - 150004-5). https://doi.org/10.1063/1.5016781

Biodegradable polylactic acid nanocomposites for orthopaedic implants require optimum particle dispersion and high molecular weight in load bearing applications. Novel coated hydroxyapatite nanoparticles can offer new opportunities for enhanced dispe... Read More about Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants.

Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation (2017)
Journal Article
Gupta, D., Grant, D. M., Hossain, K. M. Z., Ahmed, I., & Sottile, V. (2018). Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation. Journal of Biomaterials Applications, 32(7), https://doi.org/10.1177/0885328217745699

Mesenchymal stem cells play a vital role in bone formation process by differentiating into osteoblasts, in a tissue that offers not a flat but a discontinuous three-dimensional (3D) topography in vivo. In order to understand how geometry may be affec... Read More about Role of geometrical cues in bone marrow-derived mesenchymal stem cell survival, growth and osteogenic differentiation.

Evolution of catalyst coated atomised magnesium spheres: an alternative thermal storage medium for concentrated solar power applications (2017)
Journal Article
Mistry, P. C., Grant, D. M., Stuart, A. D., Manickam, K., & Walker, G. S. (in press). Evolution of catalyst coated atomised magnesium spheres: an alternative thermal storage medium for concentrated solar power applications. International Journal of Hydrogen Energy, 42(47), https://doi.org/10.1016/j.ijhydene.2017.09.095

Elevated temperature cycling studies were performed on two commercial gas atomised Mg spherical powders (average diameter of 26 μm and 30 μm) with magnetron sputtered catalysts (chromium, iron, vanadium and stainless steel) applied to their surfaces.... Read More about Evolution of catalyst coated atomised magnesium spheres: an alternative thermal storage medium for concentrated solar power applications.

Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses (2017)
Journal Article
Stuart, B. W., Gimeno-Fabra, M., Segal, J., Ahmed, I., & Grant, D. M. (2017). Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses. Applied Surface Science, 416, 605-617. https://doi.org/10.1016/j.apsusc.2017.04.110

Here we show the deposition of 2.7 μm thick phosphate based glass films produced by magnetron sputtering, followed by post heat treatments at 500 °C. Variations in degradation properties pre and post heat treatment were attributed to the formation of... Read More about Mechanical, structural and dissolution properties of heat treated thin-film phosphate based glasses.

A three-electrode integrated photo-supercapacitor utilizing graphene-based intermediate bifunctional electrode (2017)
Journal Article
Lau, S., Lim, H. N., Ravoof, T., Yaacob, M., Grant, D., Mackenzie, R., …Huang, N. M. (2017). A three-electrode integrated photo-supercapacitor utilizing graphene-based intermediate bifunctional electrode. Electrochimica Acta, 238, 178-184. https://doi.org/10.1016/j.electacta.2017.04.003

A dye-sensitized solar cell (DSSC) employing a compact and mesoporous titania (TiO2) film as the anode was integrated with a symmetrical supercapacitor utilizing polypyrrole/reduced graphene oxide (PPy/rGO) electrodes to form a photo-supercapacitor.... Read More about A three-electrode integrated photo-supercapacitor utilizing graphene-based intermediate bifunctional electrode.

Phosphate Glass Fibres and Their Composites (2016)
Book Chapter
Hossain, K. M. Z., Felfel, R. M., Grant, D. M., & Ahmed, I. (2016). Phosphate Glass Fibres and Their Composites. In A. R. Boccaccini, D. S. Brauer, & L. Hupa (Eds.), Bioactive Glasses: Fundamentals, Technology and Applications (257-285). Royal Society of Chemistry. https://doi.org/10.1039/9781782622017-00257

An overview of the research conducted utilising phosphate glass fibres (PGFs), their manufacturing processes and utilisation potential for biomedical applications is presented in this chapter. Phosphate glasses of varying compositions in the form of... Read More about Phosphate Glass Fibres and Their Composites.

Efficient hydrogen storage in up-scale metal hydride tanks as possible metal hydride compression agents equipped with aluminium extended surfaces (2016)
Journal Article
Gkanas, E. I., Grant, D. M., Khzouz, M., Stuart, A. D., Manickam, K., & Walker, G. S. (2016). Efficient hydrogen storage in up-scale metal hydride tanks as possible metal hydride compression agents equipped with aluminium extended surfaces. International Journal of Hydrogen Energy, 41(25), 10795-10810. https://doi.org/10.1016/j.ijhydene.2016.04.035

In the current work, a three-dimensional computational study regarding coupled heat and mass transfer during both the hydrogenation and dehydrogenation process in upscale cylindrical metal hydride reactors is presented, analysed and optimized. Three... Read More about Efficient hydrogen storage in up-scale metal hydride tanks as possible metal hydride compression agents equipped with aluminium extended surfaces.

Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites (2016)
Journal Article
Barrera Betanzos, F., Gimeno-Fabra, M., Segal, J., Grant, D., & Ahmed, I. (2016). Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites. Materials and Design, 100, https://doi.org/10.1016/j.matdes.2016.03.108

The use of thermoplastic composites based on poly(lactic) acid and phosphate glass fibres over metallic alloys for clinical restorative treatment is highly beneficial due to their biocompatibility and biodegradability. However, difficulties in achiev... Read More about Cyclic pressure on compression-moulded bioresorbable phosphate glass fibre reinforced composites.

Metal hydride hydrogen compression: recent advances and future prospects (2016)
Journal Article
Yartys, V. A., Lototskyy, M., Linkov, V., Grant, D., Stuart, A., Eriksen, J., …Bowman, R. C. (2016). Metal hydride hydrogen compression: recent advances and future prospects. Applied Physics A, 122(4), Article 415. https://doi.org/10.1007/s00339-016-9863-7

Metal hydride (MH) thermal sorption compression is one of the more important applications of the MHs. The present paper reviews recent advances in the field based on the analysis of the fundamental principles of this technology. The performances when... Read More about Metal hydride hydrogen compression: recent advances and future prospects.

Metal hydrides for concentrating solar thermal power energy storage (2016)
Journal Article
Sheppard, D. A., Paskevicius, M., Humphries, T. D., Felderhoff, M., Capurso, G., Bellosta von Colbe, J., …Buckley, C. E. (2016). Metal hydrides for concentrating solar thermal power energy storage. Applied Physics A, 122(4), Article 395. https://doi.org/10.1007/s00339-016-9825-0

The development of alternative methods for thermal energy storage is important for improving the efficiency and decreasing the cost for Concentrating Solar-thermal Power (CSP). We focus on the underlying technology that allows metal hydrides to funct... Read More about Metal hydrides for concentrating solar thermal power energy storage.

Developments in the Ni–Nb–Zr amorphous alloy membranes: A review (2016)
Journal Article
Sarker, S., Chandra, D., Hirscher, M., Dolan, M., Isheim, D., Wermer, J., …Cantelli, R. (2016). Developments in the Ni–Nb–Zr amorphous alloy membranes: A review. Applied Physics A, 122(3), Article 168. https://doi.org/10.1007/s00339-016-9650-5

Most of the global H2 production is derived from hydrocarbon-based fuels, and efficient H2/CO2 separation is necessary to deliver a high-purity H2 product. Hydrogen-selective alloy membranes are emerging as a viable alternative to traditional pressur... Read More about Developments in the Ni–Nb–Zr amorphous alloy membranes: A review.

In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization (2016)
Journal Article
Felfel, R. M., Poocza, L., Gimeno-Fabra, M., Milde, T., Hildebrand, G., Ahmed, I., …Liefeith, K. (2016). In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization. Biomedical Materials, 11(1), Article 015011. https://doi.org/10.1088/1748-6041/11/1/015011

© 2016 IOP Publishing Ltd. The manufacture of 3D scaffolds with specific controlled porous architecture, defined microstructure and an adjustable degradation profile was achieved using two-photon polymerization (TPP) with a size of 2 × 4 × 2 mm3. Sca... Read More about In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerization.

Mg-based compounds for hydrogen and energy storage (2016)
Journal Article
Crivello, J., Denys, R., Dornheim, M., Felderhoff, M., Grant, D., Huot, J., …Webb, C. (2016). Mg-based compounds for hydrogen and energy storage. Applied Physics A, 122(2), 1-17. https://doi.org/10.1007/s00339-016-9601-1

Magnesium-based alloys attract significant interest as cost-efficient hydrogen storage materials allowing the combination of high gravimetric storage capacity of hydrogen with fast rates of hydrogen uptake and release and pronounced destabilization o... Read More about Mg-based compounds for hydrogen and energy storage.

Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering (2015)
Journal Article
Stuart, B. W., Stuart, B., Gimeno-Fabra, M., Segal, J., Ahmed, I., & Grant, D. M. (2015). Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering. ACS Applied Materials and Interfaces, 7(49), 27362-27372. https://doi.org/10.1021/acsami.5b08957

Quinternary phosphate-based glasses of up to 2.67 ?m, deposited by radio-frequency magnetron sputtering, were degraded in distilled water and phosphate-buffered saline (PBS) to investigate their degradation characteristics. Magnetron- sputtered coati... Read More about Degradation and Characterization of Resorbable Phosphate-Based Glass Thin-Film Coatings Applied by Radio-Frequency Magnetron Sputtering.

Continuous synthesis of dispersant-coated hydroxyapatite plates (2015)
Journal Article
Gimeno-Fabra, M., Hild, F., Dunne, P., Walton, K., Grant, D., Irvine, D. J., & Lester, E. (2015). Continuous synthesis of dispersant-coated hydroxyapatite plates. CrystEngComm, 17(32), 6175-6182. doi:10.1039/c5ce00628g

A continuous flow hydrothermal synthetic route which allows the direct “in situ” capping/coating of hydroxyapatite nanoplates with functional dispersants in a single stage is reported. The methodology induced crystallisation by rapid mixing of stream... Read More about Continuous synthesis of dispersant-coated hydroxyapatite plates.

Rheological techniques for determining degradation of polylactic acid in bioresorbable medical polymer systems (2015)
Journal Article
Choong, G. Y., Parsons, A. J., Grant, D. M., & De Focatiis, D. S. (2015). Rheological techniques for determining degradation of polylactic acid in bioresorbable medical polymer systems. AIP Conference Proceedings, 1664, Article 170005. https://doi.org/10.1063/1.4918523

© 2015 AIP Publishing LLC. A method developed in the 1980s for the conversion of linear rheological data to molar mab distribution is revisited in the context of degradable polymers. The method is first applied using linear rheology for a linear poly... Read More about Rheological techniques for determining degradation of polylactic acid in bioresorbable medical polymer systems.

Numerical study on a two-stage metal hydride hydrogen compression system (2015)
Journal Article
Gkanas, E. I., Grant, D. M., Stuart, A. D., Eastwick, C., Book, D., Nayebossadri, S., …Walker, G. S. (in press). Numerical study on a two-stage metal hydride hydrogen compression system. Journal of Alloys and Compounds, 645(Supp1), Article S18-S22. https://doi.org/10.1016/j.jallcom.2015.03.123

A multistage Metal Hydride Hydrogen Compression (MHHC) system uses a combination of hydride materials in order to increase the total compression ratio, whilst maximizing the hydrogenation rate from the supply pressure at each stage. By solving the co... Read More about Numerical study on a two-stage metal hydride hydrogen compression system.

Hydrogen storage properties for Mg–Zn–Y quasicrystal and ternary alloys (2015)
Journal Article
Luo, X., Grant, D. M., & Walker, G. S. (2015). Hydrogen storage properties for Mg–Zn–Y quasicrystal and ternary alloys. Journal of Alloys and Compounds, 645, S23-S26. https://doi.org/10.1016/j.jallcom.2015.01.266

Three Zn–Mg–Y alloys with nominal compositions of Zn50Mg42Y8 and Zn60Mg30Y10 were prepared by induction melting or gas atomisation. XRD and SEM analysis shows samples ZMY-1 and ZMY-2 consisted of multiple phases including icosahedral quasicrystal (QC... Read More about Hydrogen storage properties for Mg–Zn–Y quasicrystal and ternary alloys.

Organic semiconductors with a charge carrier life time of over 2 hours at room temperature (2015)
Journal Article
Liu, Y., MacKenzie, R. C., Xu, B., Gao, Y., Gimeno-Fabra, M., Grant, D., …Tian, W. (2015). Organic semiconductors with a charge carrier life time of over 2 hours at room temperature. Journal of Materials Chemistry C, 3(47), 12260-12266. https://doi.org/10.1039/c5tc02678d

Recently, Gao et al. reported being able to measure significant quantities of photogenerated charge up to one hour after it had been generated in an organic semiconductor device. The aim of this paper is twofold; (a) to provide conclusive experimenta... Read More about Organic semiconductors with a charge carrier life time of over 2 hours at room temperature.

Investigation of the dehydrogenation behavior of the 2LiBH(4):CaNi5 multicomponent hydride system (2015)
Journal Article
Meggouh, M., Grant, D. M., Deavin, O., Brunelli, M., Hansen, T. C., & Walker, G. S. (2015). Investigation of the dehydrogenation behavior of the 2LiBH(4):CaNi5 multicomponent hydride system. International Journal of Hydrogen Energy, 40(7), 2989-2996. doi:10.1016/j.ijhydene.2014.12.059

LiBH4 has gained much attention as a potential hydrogen storage material due to its high hydrogen storage capacity of 18.5 wt%. However, LiBH4 only releases its full hydrogen capacity at temperatures greater than 600 °C and requires hydrogen pressure... Read More about Investigation of the dehydrogenation behavior of the 2LiBH(4):CaNi5 multicomponent hydride system.

Mechanical, degradation and cytocompatibility properties of magnesium coated phosphate glass fibre reinforced polycaprolactone composites (2014)
Journal Article
Liu, X., Hasan, M. S., Grant, D. M., Harper, L. T., Parsons, A. J., Palmer, G., …Ahmed, I. (2014). Mechanical, degradation and cytocompatibility properties of magnesium coated phosphate glass fibre reinforced polycaprolactone composites. Journal of Biomaterials Applications, 29(5), https://doi.org/10.1177/0885328214541302

Retention of mechanical properties of phosphate glass fibre reinforced degradable polyesters such as polycaprolactone and polylactic acid in aqueous media has been shown to be strongly influenced by the integrity of the fibre/polymer interface. A pre... Read More about Mechanical, degradation and cytocompatibility properties of magnesium coated phosphate glass fibre reinforced polycaprolactone composites.

Catalysis and evolution on cycling of nano-structured magnesium multilayer thin films (2013)
Journal Article
Fry, C. M., Grant, D. M., & Walker, G. S. (2014). Catalysis and evolution on cycling of nano-structured magnesium multilayer thin films. International Journal of Hydrogen Energy, 39(2), 1173-1184. https://doi.org/10.1016/j.ijhydene.2013.10.136

This paper explores the hydrogen cycling properties of Mg/Cr and Mg/V multilayer thin films and studies the effect of chromium and vanadium transition metal catalysts on the cycling properties of thick magnesium coatings. Two transition-metal catalys... Read More about Catalysis and evolution on cycling of nano-structured magnesium multilayer thin films.