Dr OLUWAFUNMILOLA OLA's Outputs (56)

Antibacterial properties and drug release study of cellulose acetate nanofibers containing ear-like Ag-NPs and Dimethyloxallyl Glycine/beta-cyclodextrin (2022)
Journal Article
Li, C., Liu, Z., Liu, S., Tiwari, S. K., Thummavichai, K., Ola, O., Ma, Z., Zhang, S., Wang, N., & Zhu, Y. (2022). Antibacterial properties and drug release study of cellulose acetate nanofibers containing ear-like Ag-NPs and Dimethyloxallyl Glycine/beta-cyclodextrin. Applied Surface Science, 590, Article 153132. https://doi.org/10.1016/j.apsusc.2022.153132

In this paper, a multifunctional wound dressing with sustained-release and antibacterial properties was prepared using cellulose acetate (CA) as the matrix and Dimethyloxallyl Glycine (DMOG) and silver nanoparticles (Ag-NPs) as the drug loading compo... Read More about Antibacterial properties and drug release study of cellulose acetate nanofibers containing ear-like Ag-NPs and Dimethyloxallyl Glycine/beta-cyclodextrin.

Preparation and Characterization of Multi-Doped Porous Carbon Nanofibers from Carbonization in Different Atmospheres and Their Oxygen Electrocatalytic Properties Research (2022)
Journal Article
Wang, T., Ola, O., Frimpong Dapaah, M., lu, Y., Niu, Q., Cheng, L., Wang, N., & Zhu, Y. (2022). Preparation and Characterization of Multi-Doped Porous Carbon Nanofibers from Carbonization in Different Atmospheres and Their Oxygen Electrocatalytic Properties Research. Nanomaterials, 12(5), Article 832. https://doi.org/10.3390/nano12050832

Recently, electrocatalysts for oxygen reduction reaction (ORR) as well as oxygen evolution reaction (OER) hinged on electrospun nanofiber composites have attracted wide research attention. Transition metal elements and heteroatomic doping are importa... Read More about Preparation and Characterization of Multi-Doped Porous Carbon Nanofibers from Carbonization in Different Atmospheres and Their Oxygen Electrocatalytic Properties Research.

Layered tungsten-based composites and their pseudocapacitive and electrocatalytic performance (2022)
Journal Article
Ola, O., Thummavichai, K., Chen, Y., Wang, N., Niu, Q., Wang, J., Sun, S., & Zhu, Y. (2022). Layered tungsten-based composites and their pseudocapacitive and electrocatalytic performance. Materials Chemistry Frontiers, 6(6), 737-747. https://doi.org/10.1039/D1QM00678A

With the rapid development of heterostructured electrocatalysts, the potential application of transition metal dichalcogenide (TMD)-based composites for electrocatalysis have attracted intense attraction owing to their unique optical, electronic, and... Read More about Layered tungsten-based composites and their pseudocapacitive and electrocatalytic performance.

N-Doped Graphenelike Nanostructures from p-Nitro Aniline-Based Foam: Formation, Structure, and Applications as a Nanofiller (2022)
Journal Article
Tiwari, S. K., Chen, D., Chen, Y., Thummavichai, K., Ola, O., Ma, Z., Liu, G., Wang, N., & Zhu, Y. (2022). N-Doped Graphenelike Nanostructures from p-Nitro Aniline-Based Foam: Formation, Structure, and Applications as a Nanofiller. ACS Omega, 7(4), 3230-3239. https://doi.org/10.1021/acsomega.1c05139

Production of snake foam based on p-nitro aniline (PNA) was considered fun in old-school chemistry laboratories. Herein, we report the fabrication of a new carbon nanomaterial from PNA-based foam. The resulting material, resembling graphene and consi... Read More about N-Doped Graphenelike Nanostructures from p-Nitro Aniline-Based Foam: Formation, Structure, and Applications as a Nanofiller.

Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites (2021)
Presentation / Conference Contribution
Ola, O., Chen, Y., Zhu, Y., & Grant, D. (2021, September). Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites. Presented at 2021 IEEE 11th International Conference Nanomaterials: Applications & Properties (NAP), Odessa, Ukraine

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.

Zn/Co-ZIF reinforced sugarcane bagasse aerogel for highly efficient catalytic activation of peroxymonosulfate (2021)
Journal Article
Lei, Y., Sun, W., Tiwari, S. K., Thummavichai, K., Ola, O., Qin, X., Ma, Z., Wang, N., & Zhu, Y. (2021). Zn/Co-ZIF reinforced sugarcane bagasse aerogel for highly efficient catalytic activation of peroxymonosulfate. Journal of Environmental Chemical Engineering, 9(6), Article 106885. https://doi.org/10.1016/j.jece.2021.106885

Sugarcane bagasse is the main solid waste of sugar extraction industry. However, there are less eco-friendly treatment methods for this kind of waste material. Most of them have been burned and this is a challenge for effective utilization of sugarca... Read More about Zn/Co-ZIF reinforced sugarcane bagasse aerogel for highly efficient catalytic activation of peroxymonosulfate.

Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures (2021)
Journal Article
Chang, X., Xu, S., Liu, S., Wang, N., Sun, S., Zhu, X., Li, J., Ola, O., & Zhu, Y. (2021). Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures. Sensors and Actuators B: Chemical, 343, Article 130135. https://doi.org/10.1016/j.snb.2021.130135

Metal oxide semiconductor (MOS) gas sensors are promising for applications in environmental monitoring, dangerous gas detection, and disease diagnosis. Seeking for advanced MOS sensing materials that possess high sensitivity and low limit of detectio... Read More about Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures.

DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis (2021)
Journal Article
Ola, O., Ullah, H., Chen, Y., Thummavichai, K., Wang, N., & Zhu, Y. (2021). DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis. Journal of Materials Chemistry C, 9(20), 6409-6417. https://doi.org/10.1039/d1tc01022k

The synthesis of iron oxide nanoparticles coated with graphitic carbon nitride (FeX-NC), and their improved electrochemical stability and corrosion resistance in acidic electrolyte environment are reported. Our results show that the FeX-NC nanocompos... Read More about DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis.

Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure (2021)
Journal Article
Thummavichai, K., Thi, L. A., Pung, S.-Y., Ola, O., Hussain, M. Z., Chen, Y., Xu, F., Chen, W., Wang, N., & Zhu, Y. (2021). Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure. Energies, 14(5), Article 1322. https://doi.org/10.3390/en14051322

This paper describes the analysis and characterization of NayWOx bronze nanowires bundles and evaluation of their effective adsorption of methylene blue dye (MB). The Na-doped WOx bronze nanowires bundles were first synthesized via a simple solvother... Read More about Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure.

Multifunctional porous SiC nanowire scaffolds (2021)
Journal Article
Chen, Y., Ola, O., Liu, G., Han, L., Hussain, M. Z., Thummavichai, K., Wen, J., Zhang, L., Wang, N., Xia, Y., & Zhu, Y. (2021). Multifunctional porous SiC nanowire scaffolds. Journal of the European Ceramic Society, 41(7), 3970-3979. https://doi.org/10.1016/j.jeurceramsoc.2021.02.021

Porous SiC nanowire (SiCNW) ceramics have great potentials for engineering applications. We herein report the fabrication of 3D SiCNW scaffolds with tuneable microstructures, densities, and therefore properties, by regulating the solid loading conten... Read More about Multifunctional porous SiC nanowire scaffolds.

Porous ceramics: Light in weight but heavy in energy and environment technologies (2020)
Journal Article
Chen, Y., Wang, N., Ola, O., Xia, Y., & Zhu, Y. (2021). Porous ceramics: Light in weight but heavy in energy and environment technologies. Materials Science and Engineering: R: Reports, 143, Article 100589. https://doi.org/10.1016/j.mser.2020.100589

Benefitting from the combined properties of intrinsic ceramic materials and advanced porous configuration, lightweight porous ceramics with porosity ranging from 2.3 to 99% and pore size distribution within 3 nm - 3 mm exhibit low density, large spec... Read More about Porous ceramics: Light in weight but heavy in energy and environment technologies.

Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties (2020)
Presentation / Conference Contribution
Ola, O., & Zhu, Y. (2020, November). Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties. Presented at ASME 2020 International Mechanical Engineering Congress and Exposition, Virtual, Online

In this work, tungsten-based hybrid nanocomposites were grown on interconnected, macroscopic graphitic carbon nitride scaffold after solvothermal treatment followed by sulfidation to attain multifunctional composite electrocatalysts. The physicochemi... Read More about Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties.

In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction (2020)
Journal Article
Ola, O., Chen, Y., Thummavichai, K., & Zhu, Y. (2020). In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction. Sustainable Energy and Fuels, 4(10), 5223-5228. https://doi.org/10.1039/d0se00812e

In this work, dendritic tin-based carbon (Sn/C) nanostructures with four different morphologies were synthesized by a facile two-step carbonization and chemical vapor deposition method and were then evaluated for their performance in hydrogen evoluti... Read More about In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction.

Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions (2020)
Journal Article
Niu, Q., Ola, O., Chen, B., Zhu, Y., Xia, Y., & Ma, G. (2020). Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions. International Journal of Electrochemical Science, 15, 4869-4883. https://doi.org/10.20964/2020.06.28

Developing multi-functional electrocatalysts is a key for new energy techniques, such as fuel cells, metal-air batteries, and water splitting. In this paper, a bifunctional (ORR/OER) electrocatalysts, metal sulfide nanoparticles anchored N, S co-dope... Read More about Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions.

Graphitic Carbon Nitride: An Excellent Base for Composite Electrodes in Electrochemical Energy Conversion and Storage (2020)
Journal Article
Ola, O., & Zhu, Y. (2020). Graphitic Carbon Nitride: An Excellent Base for Composite Electrodes in Electrochemical Energy Conversion and Storage. ECS Meeting Abstracts, MA2020-01(5), Article 592. https://doi.org/10.1149/ma2020-015592mtgabs

Carbon Encapsulated WS<inf>2</inf> Nanocomposites Derived from ZIF-67@WS<inf>2</inf> Core-Shell Nanoparticles and their electrocatalytic applications (2020)
Journal Article
Niu, Q., Ola, O., Wang, N., Chen, B., Zhu, Y., & Xia, Y. (2020). Carbon Encapsulated WS2 Nanocomposites Derived from ZIF-67@WS2 Core-Shell Nanoparticles and their electrocatalytic applications. International Journal of Electrochemical Science, 15, 12370-12379. https://doi.org/10.20964/2020.12.85

In this work, Co9S8 and N,S co-dopped carbon encapsulated WS2 nanocomposites (Co9S8-N,S-C@WS2) has been successfully prepared through a high-temperature carbonization of the precursor ZIF-67@WS2 nanoparticles. The obtained Co9S8-N,S-C@WS2 nanoparticl... Read More about Carbon Encapsulated WS<inf>2</inf> Nanocomposites Derived from ZIF-67@WS<inf>2</inf> Core-Shell Nanoparticles and their electrocatalytic applications.

SiC Nanowire Sponges as Electropressure Sensors (2019)
Journal Article
Chen, Y., Ola, O., Chen, H., Wang, N., Xia, Y., & Zhu, Y. (2019). SiC Nanowire Sponges as Electropressure Sensors. ACS Applied Nano Materials, 2(12), 7540-7548. https://doi.org/10.1021/acsanm.9b01590

Lightweight, flexible, and highly porous ceramics are very attractive to engineering applications due to their good inertness, stability, and excellent mechanical properties. We here report such SiC nanowire (SiCNW) sponges and demonstrate their mult... Read More about SiC Nanowire Sponges as Electropressure Sensors.

Carbon nanotube reinforced nanocomposites for energy conversion and storage (2019)
Journal Article
Ola, O., Niu, Q., Chen, Y., Xia, Y., & Zhu, Y. (2019). Carbon nanotube reinforced nanocomposites for energy conversion and storage. Journal of Power Sources, 443, Article 227277. https://doi.org/10.1016/j.jpowsour.2019.227277

CNT-reinforced foams comprised of three-dimensional (3D) interconnected macropores with uniform mesoporous walls were developed as multifunctional nanocomposites and tested for electrochemical energy conversion and storage. Multi-walled CNTs grown on... Read More about Carbon nanotube reinforced nanocomposites for energy conversion and storage.

Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage (2019)
Journal Article
Ola, O., Chen, Y., Niu, Q., Xia, Y., Mallick, T., & Zhu, Y. (2020). Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage. Journal of Materials Science and Technology, 36, 70-78. https://doi.org/10.1016/j.jmst.2019.06.014

Polymer based nanocomposites consisting of elastic three-dimensional (3D) carbon foam (CF), paraffin wax and graphene nanoplatelets (GNPs) have been created and evaluated for thermal energy storage. The ultralight, highly porous (∼98.6% porosity), an... Read More about Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage.

Three-dimensional carbon foam nanocomposites for thermal energy storage (2018)
Journal Article
Ola, O., Chen, Y., & Zhu, Y. (2019). Three-dimensional carbon foam nanocomposites for thermal energy storage. Solar Energy Materials and Solar Cells, 191, 297-305. https://doi.org/10.1016/j.solmat.2018.11.037

Nanocomposites consisting of paraffin/graphene nanoplatelets mix embedded in carbon foams via vacuum infiltration were fabricated with the aim of developing new phase change material (PCM) formulation with excellent shape stabilization, improved ther... Read More about Three-dimensional carbon foam nanocomposites for thermal energy storage.