Zobrazeno 1 - 10 of 140 pro vyhledávání: '"Alison B Walker"'
1
Akademický článek
Bayesian parameter estimation for characterising mobile ion vacancies in perovskite solar cells
Autor: Samuel G McCallum, Oliver Nicholls, Kjeld O Jensen, Matthew V Cowley, James E Lerpinière, Alison B Walker
Publikováno v: JPhys Energy, Vol 6, Iss 1, p 015005 (2023)
To overcome the challenges associated with poor temporal stability of perovskite solar cells, methods are required that allow for fast iteration of fabrication and characterisation, such that optimal device performance and stability may be actively p
Externí odkaz: https://doaj.org/article/0bea44c9d16149bd9b71f076baa009d3
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2
Akademický článek
Next steps in the footprint project: A feasibility study of installing solar panels on Bath Abbey
Autor: Matthew J. Smiles, Adam M. Law, Adam N. Urwick, Luke Thomas, Lewis A. D. Irvine, Matthew T. Pilot, Alan R. Bowman, Alison B. Walker
Publikováno v: Energy Science & Engineering, Vol 10, Iss 3, Pp 892-902 (2022)
Abstract Reduction of the carbon footprint of historic buildings is urgent, given their exceptionally large energy demand. In this study, the performance and cost of a roof mounted photovoltaic system has been simulated for Bath Abbey, a grade I list
Externí odkaz: https://doaj.org/article/8ce98900465a41c3b4b0ec4dcea497dc
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3
Inverted Hysteresis in n-i-p and p-i-n Perovskite Solar Cells
Autor: Rodrigo García-Rodríguez, Antonio J. Riquelme, Matthew Cowley, Karen Valadez-Villalobos, Gerko Oskam, Laurence J. Bennett, Matthew J. Wolf, Lidia Contreras-Bernal, Petra J. Cameron, Alison B. Walker, Juan A. Anta
Publikováno v: Energy Technology (2022), 2200507
RIO. Repositorio Institucional Olavide
instname
A combination of experimental studies and drift-diffusion modeling has been used to investigate the appearance of inverted hysteresis, where the area under the J-V curve for the reverse scan is lower than in the forward scan, in perovskite solar cell
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15c41ca6831e1a27eb2a3f5551f000a5
https://hdl.handle.net/10433/14643
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4
Identification of recombination losses and charge collection efficiency in a perovskite solar cell by comparing impedance response to a drift-diffusion model
Autor: Antonio Riquelme, Alison B. Walker, Juan A. Anta, Nicola E. Courtier, Giles Richardson, Laurence J. Bennett, Lidia Contreras-Bernal, Matthew J. Wolf
Publikováno v: Nanoscale. 12:17385-17398
Interpreting the impedance response of perovskite solar cells (PSCs) is significantly more challenging than for most other photovoltaics. This is for a variety of reasons, of which the most significant are the mixed ionic-electronic conduction proper
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c45169ca5b4fd563d0f6788ac239199d
https://doi.org/10.1039/d0nr03058a
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5
Putting the Squeeze on Lead Iodide Perovskites: Pressure-Induced Effects To Tune Their Structural and Optoelectronic Behavior
Autor: Alex Aziz, James A. Dawson, M. Saiful Islam, Dibyajyoti Ghosh, Alison B. Walker
Publikováno v: Chemistry of Materials
Lattice compression through hydrostatic pressure has emerged as an effective means of tuning the structural and optoelectronic properties of hybrid halide perovskites. In addition to external pressure, the local strain present in solution-processed t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1a5e56aa31fdd2c34c60ec05a3a77b7
http://europepmc.org/articles/PMC7011759
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6
Partial cation substitution reduces iodide ion transport in lead iodide perovskite solar cells
Autor: Alison B. Walker, Peter S. Kubiak, Dibyajyoti Ghosh, Petra J. Cameron, Dominic Ferdani, Simon E. Lewis, Peter J. Baker, Samuel Pering, M. Saiful Islam, Andrew L. Johnson
Publikováno v: Energy & Environmental Science. 12:2264-2272
Halide perovskite solar cells containing a mixture of A-site cations are attracting considerable interest due to their improved stability and high power conversion efficiencies. Ionic transport is known to be an important predictor of perovskite beha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8b98e0c2eb8e78cc0ea31e166f53fd3
https://doi.org/10.1039/c9ee00476a
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7
3D-to-2D Transition of Anion Vacancy Mobility in CsPbBr3under Hydrostatic Pressure
Autor: Thijs J. A. M. Smolders, Alison B. Walker, Matthew J. Wolf
Publikováno v: Smolders, T J A M, Walker, A B & Wolf, M J 2021, ' 3D-to-2D Transition of Anion Vacancy Mobility in CsPbBr 3 under Hydrostatic Pressure ', Journal of Physical Chemistry Letters, vol. 12, no. 21, pp. 5169-5177 . https://doi.org/10.1021/acs.jpclett.1c00554
The Journal of Physical Chemistry Letters
Anion vacancy migration in the orthorhombic Pnma phase of the lead-halide perovskite CsPbBr3 under hydrostatic pressure is studied computationally. Density functional theory calculations are used to determine transition states, activation enthalpies,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::925d872b6c675b23fbb2ee161c699b57
https://purehost.bath.ac.uk/ws/files/221469446/smoldersjpcl21acc.pdf
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9
3D-to-2D Transition of Anion Vacancy Mobility in CsPbBr3 under Hydrostatic Pressure
Autor: Thijs J. A. M. Smolders, Alison B. Walker, Matthew J. Wolf
Publikováno v: Proceedings of the 13th Conference on Hybrid and Organic Photovoltaics.
Anion vacancy migration in the orthorhombic Pnma phase of the lead-halide perovskite CsPbBr3 under hydrostatic pressure is studied computationally. Density functional theory calculations are used to determine transition states, activation enthalpies,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10fe64483ad679f2de8b5b21d49c4b9e
https://doi.org/10.29363/nanoge.hopv.2021.088
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10
Overscreening and Underscreening in Solid-Electrolyte Grain Boundary Space-Charge Layers
Autor: Jacob Dean, Matthew J. Wolf, Benjamin J. Morgan, Samuel W. Coles, Alison B. Walker, William Robert Saunders, Andrew R. McCluskey
Publikováno v: Physical Review Letters
Dean, J, Coles, S, Saunders, W, Mccluskey, A, Wolf, M, Walker, A & Morgan, B 2021, ' Overscreening and Underscreening in Solid-Electrolyte Grain Boundary Space-Charge Layers ', Physical Review Letters . < https://arxiv.org/abs/2104.00623 >
Polycrystalline solids can exhibit material properties that differ significantly from those of equivalent single-crystal samples, in part, because of a spontaneous redistribution of mobile point defects into so-called space-charge regions adjacent to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73bdcf53ee4d01b4def38d150e0c5b64
http://arxiv.org/abs/2104.00623
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