All Outputs (12)

Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol (2024)
Journal Article
LeMercier, T. M., Thangamuthu, M., Kohlrausch, E. C., Chen, Y., Stoppiello, C. T., Fay, M. W., …Khlobystov, A. N. (2024). Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol. Sustainable Energy and Fuels, https://doi.org/10.1039/D4SE00028E

Carbon nitride (C3N4) possesses both a band gap in the visible range and a low-lying conduction band potential, suitable for water splitting and CO2 reduction reactions (CO2RR). Yet, bulk C3N4 (b-C3N4) suffers from structural disorder leading to slug... Read More about Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol.

Nitrogen vacancy defects in single-particle nanodiamonds sense paramagnetic transition metal spin noise from nanoparticles on a transmission electron microscopy grid (2023)
Journal Article
Flinn, B. T., Radu, V., Fay, M. W., Tyler, A. J., Pitcairn, J., Cliffe, M. J., …Khlobystov, A. N. (2023). Nitrogen vacancy defects in single-particle nanodiamonds sense paramagnetic transition metal spin noise from nanoparticles on a transmission electron microscopy grid. Nanoscale Advances, 2023(23), 6423-6434. https://doi.org/10.1039/d3na00155e

Spin-active nanomaterials play a vital role in current and upcoming quantum technologies, such as spintronics, data storage and computing. To advance the design and application of these materials, methods to link size, shape, structure, and chemical... Read More about Nitrogen vacancy defects in single-particle nanodiamonds sense paramagnetic transition metal spin noise from nanoparticles on a transmission electron microscopy grid.

Subnanometer-Wide Indium Selenide Nanoribbons (2023)
Journal Article
Cull, W. J., Skowron, S. T., Hayter, R., Stoppiello, C. T., Rance, G. A., Biskupek, J., …Khlobystov, A. N. (2023). Subnanometer-Wide Indium Selenide Nanoribbons. ACS Nano, 17(6), 6062-6072. https://doi.org/10.1021/acsnano.3c00670

Indium selenides (InxSey) have been shown to retain several desirable properties, such as ferroelectricity, tunable photoluminescence through temperature-controlled phase changes, and high electron mobility when confined to two dimensions (2D). In th... Read More about Subnanometer-Wide Indium Selenide Nanoribbons.

Reactions of polyaromatic molecules in crystals under electron beam of the transmission electron microscope (2022)
Journal Article
Fung, K. L., Weare, B. L., Fay, M. W., Argent, S. P., & Khlobystov, A. N. (2023). Reactions of polyaromatic molecules in crystals under electron beam of the transmission electron microscope. Micron, 165, Article 103395. https://doi.org/10.1016/j.micron.2022.103395

Reactivity of a series of related molecules under the 80 keV electron beam have been investigated and correlated with their structures and chemical composition. Hydrogenated and halogenated derivatives of hexaazatrinaphthylene, coronene, and phthaloc... Read More about Reactions of polyaromatic molecules in crystals under electron beam of the transmission electron microscope.

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.

A self-crosslinking monomer, α-pinene methacrylate: understanding and exploiting hydrogen abstraction (2022)
Journal Article
Monaghan, O. R., Skowron, S. T., Moore, J. C., Pin-Nó, M., Kortsen, K., Atkinson, R. L., …Howdle, S. M. (2022). A self-crosslinking monomer, α-pinene methacrylate: understanding and exploiting hydrogen abstraction. Polymer Chemistry, 13(39), 5557-5567. https://doi.org/10.1039/d2py00878e

Crosslinking is a valuable route to creating new polymeric materials and normally involves introduction of a cross linker or some form of secondary processing. Here we report the discovery and analysis of a self-crosslinking sustainable terpene deriv... Read More about A self-crosslinking monomer, α-pinene methacrylate: understanding and exploiting hydrogen abstraction.

Wear performance of graphene nano platelets incorporated WC-Co coatings deposited by hybrid high velocity oxy fuel thermal spray (2021)
Journal Article
Derelizade, K., Venturi, F., Wellman, R. G., Kholobysov, A., & Hussain, T. (2021). Wear performance of graphene nano platelets incorporated WC-Co coatings deposited by hybrid high velocity oxy fuel thermal spray. Wear, 482-483, Article 203974. https://doi.org/10.1016/j.wear.2021.203974

WC-Co coatings have been used as wear resistant coatings in aero engines for decades, and research is still ongoing to further improve the performance of these coatings through compositional modifications to reduce wear. The coatings are used for unl... Read More about Wear performance of graphene nano platelets incorporated WC-Co coatings deposited by hybrid high velocity oxy fuel thermal spray.

Kerogen nanoscale structure and CO2 adsorption in shale micropores (2021)
Journal Article
Gonciaruk, A., Hall, M. R., Fay, M. W., Parmenter, C. D. J., Vane, C. H., Khlobystov, A. N., & Ripepi, N. (2021). Kerogen nanoscale structure and CO2 adsorption in shale micropores. Scientific Reports, 11, Article 3920. https://doi.org/10.1038/s41598-021-83179-z

Gas storage and recovery processes in shales critically depend on nano-scale porosity and chemical composition, but information about the nanoscale pore geometry and connectivity of kerogen, insoluble organic shale matter, is largely unavailable. Usi... Read More about Kerogen nanoscale structure and CO2 adsorption in shale micropores.

Accurate EELS background subtraction – an adaptable method in MATLAB (2020)
Journal Article
Fung, K. L., Fay, M. W., Collins, S. M., Kepaptsoglou, D. M., Skowron, S. T., Ramasse, Q. M., & Khlobystov, A. N. (2020). Accurate EELS background subtraction – an adaptable method in MATLAB. Ultramicroscopy, 217, Article 113052. https://doi.org/10.1016/j.ultramic.2020.113052

Electron energy-loss spectroscopy (EELS) is a technique that can give useful information on elemental composition and bonding environments. However in practice, the complexity of the background contributions, which can arise from multiple sources, ca... Read More about Accurate EELS background subtraction – an adaptable method in MATLAB.

Direct synthesis of multiplexed metal nanowire based devices using carbon nanotubes as vector templates (2019)
Journal Article
Clément, P., Xu, X., Stoppiello, C. T., Rance, G. A., Attanzio, A., O’Shea, J. N., …Palma, M. (2019). Direct synthesis of multiplexed metal nanowire based devices using carbon nanotubes as vector templates. Angewandte Chemie International Edition, 58(29), 9928-9932. https://doi.org/10.1002/anie.201902857

We present the synthesis of metal nanowires in a multiplexed device configuration using single-walled carbon nanotubes (SWNTs) as nanoscale vector templates. The SWNT templates control the dimensionality of the wires, allowing precise control of thei... Read More about Direct synthesis of multiplexed metal nanowire based devices using carbon nanotubes as vector templates.

Steric and electronic control of 1,3-dipolar cycloaddition reactions in carbon nanotube nanoreactors (2019)
Journal Article
Miners, S. A., Fay, M. W., Baldoni, M., Besley, E., Khlobystov, A. N., & Rance, G. A. (2019). Steric and electronic control of 1,3-dipolar cycloaddition reactions in carbon nanotube nanoreactors. Journal of Physical Chemistry C, 123(10), 6294-6302. https://doi.org/10.1021/acs.jpcc.9b01190

The use of single-walled carbon nanotubes as effective nanoreactors for preparative bimolecular reactions has been demonstrated for the first time. We show that the extreme spatial confinement of guest reactant molecules inside host carbon nanotubes... Read More about Steric and electronic control of 1,3-dipolar cycloaddition reactions in carbon nanotube nanoreactors.

Three dimensional nanoscale analysis reveals aperiodic mesopores in a covalent organic framework and conjugated microporous polymer (2019)
Journal Article
Stoppiello, C. T., Isla, H., Martínez-Abadía, M., Fay, M. W., Parmenter, C. D. J., Roe, M. J., …Khlobystov, A. N. (2019). Three dimensional nanoscale analysis reveals aperiodic mesopores in a covalent organic framework and conjugated microporous polymer. Nanoscale, 11(6), 2848-2854. https://doi.org/10.1039/c8nr10086a

The integrated analytical approach developed in this study offers a powerful methodology for the structural characterization of complex molecular nanomaterials. Structures of a covalent organic framework based on boronate esters (COF-5) and a conjuga... Read More about Three dimensional nanoscale analysis reveals aperiodic mesopores in a covalent organic framework and conjugated microporous polymer.