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Professor ELENA BESLEY

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ELENA BESLEY

Professor of Theoretical Computational Chemistry


Chemical Kinetics of Metal Single Atom and Nanocluster Formation on Surfaces: An Example of Pt on Hexagonal Boron Nitride (2023)
Journal Article
Popov, I., Ghaderzadeh, S., Kohlrausch, E. C., Norman, L. T., Slater, T. J. A., Aliev, G. N., …Besley, E. (2023). Chemical Kinetics of Metal Single Atom and Nanocluster Formation on Surfaces: An Example of Pt on Hexagonal Boron Nitride. Nano Letters, https://doi.org/10.1021/acs.nanolett.3c01968

The production of atomically dispersed metal catalysts remains a significant challenge in the field of heterogeneous catalysis due to coexistence with continuously packed sites such as nanoclusters and nanoparticles. This work presents a comprehensiv... Read More about Chemical Kinetics of Metal Single Atom and Nanocluster Formation on Surfaces: An Example of Pt on Hexagonal Boron Nitride.

Recent Developments in the Methods and Applications of Electrostatic Theory (2023)
Journal Article
Besley, E. (2023). Recent Developments in the Methods and Applications of Electrostatic Theory. Accounts of Chemical Research, 56(17), 2267–2277. https://doi.org/10.1021/acs.accounts.3c00068

The review improves our understanding of how electrostatic interactions in the electrolyte, gas phase, and on surfaces can drive the fragmentation and assembly of particles. This is achieved through the overview of our advanced theoretical and comput... Read More about Recent Developments in the Methods and Applications of Electrostatic Theory.

Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode (2023)
Journal Article
James, T., Bradford, J., Kerfoot, J., Korolkov, V. V., Alkhamisi, M., Taniguchi, T., …Beton, P. H. (2023). Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode. Molecular Physics, 121(7-8), Article e2197081. https://doi.org/10.1080/00268976.2023.2197081

Monolayers of free base phthalocyanine (H2Pc) are grown on monolayer and few-layer exfoliated flakes of hexagonal boron nitride (hBN) which are subsequently integrated into a van der Waals tunnel diode. This heterostructure consists of two thin hBN f... Read More about Electroluminescence from a phthalocyanine monolayer encapsulated in a van der Waals tunnel diode.

Manipulating Interactions between Dielectric Particles with Electric Fields: A General Electrostatic Many-Body Framework (2022)
Journal Article
Hassan, M., Williamson, C., Baptiste, J., Braun, S., Stace, A. J., Besley, E., & Stamm, B. (2022). Manipulating Interactions between Dielectric Particles with Electric Fields: A General Electrostatic Many-Body Framework. Journal of Chemical Theory and Computation, 18(10), 6281-6296. https://doi.org/10.1021/acs.jctc.2c00008

We derive a rigorous analytical formalism and propose a numerical method for the quantitative evaluation of the electrostatic interactions between dielectric particles in an external electric field. This formalism also allows for inhomogeneous charge... Read More about Manipulating Interactions between Dielectric Particles with Electric Fields: A General Electrostatic Many-Body Framework.

Effective hamiltonian of crystal field method for periodic systems containing transition metals (2022)
Journal Article
Popov, I., Plekhanov, E., Tchougréeff, A., & Besley, E. (2022). Effective hamiltonian of crystal field method for periodic systems containing transition metals. Molecular Physics, Article e2106905. https://doi.org/10.1080/00268976.2022.2106905

Effective Hamiltonian of Crystal Field (EHCF) is a hybrid quantum chemical method originally developed for an accurate treatment of highly correlated d-shells in molecular complexes of transition metals. In the present work, we generalise the EHCF me... Read More about Effective hamiltonian of crystal field method for periodic systems containing transition metals.

Computational Predictions for Effective Separation of Xenon/Krypton Gas Mixtures in the MFM Family of Metal-Organic Frameworks (2022)
Journal Article
Cooley, I., Efford, L., & Besley, E. (2022). Computational Predictions for Effective Separation of Xenon/Krypton Gas Mixtures in the MFM Family of Metal-Organic Frameworks. Journal of Physical Chemistry C, 126(28), 11475-11486. https://doi.org/10.1021/acs.jpcc.2c02237

This study shows that a range of separation applications for the MFM family of metal-organic frameworks (MOFs) can be expanded to include effective separations of Xe/Kr binary gas mixtures. The MFM family of copper paddlewheel-based, isoreticular MOF... Read More about Computational Predictions for Effective Separation of Xenon/Krypton Gas Mixtures in the MFM Family of Metal-Organic Frameworks.

Designing stable binary endohedral fullerene lattices (2022)
Journal Article
Miller, A., Halstead, M., Besley, E., & Stace, A. J. (2022). Designing stable binary endohedral fullerene lattices. Physical Chemistry Chemical Physics, 24(17), 10044-10052. https://doi.org/10.1039/d2cp00196a

Nanoparticle lattices and endohedral fullerenes have both been identified as potential building blocks for future electronic, magnetic and optical devices; here it is proposed that it could be possible to combine those concepts and design stable nano... Read More about Designing stable binary endohedral fullerene lattices.

The influence of surface charge on the coalescence of ice and dust particles in the mesosphere and lower thermosphere (2021)
Journal Article
Baptiste, J., Williamson, C., Fox, J., Stace, A. J., Hassan, M., Braun, S., …Besley, E. (2021). The influence of surface charge on the coalescence of ice and dust particles in the mesosphere and lower thermosphere. Atmospheric Chemistry and Physics, 21(11), 8735-8745. https://doi.org/10.5194/acp-21-8735-2021

Agglomeration of charged ice and dust particles in the mesosphere and lower thermosphere is studied using a classical electrostatic approach, which is extended to capture the induced polarisation of surface charge. Collision outcomes are predicted wh... Read More about The influence of surface charge on the coalescence of ice and dust particles in the mesosphere and lower thermosphere.