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Research Output

Analysis of photovoltage decay transients in dye-sensitized solar cells

Walker, A. B., Peter, L. M., Lobato, K. & Cameron, P., 2006, In : Journal of Physical Chemistry B. 110, 50, p. 25504-25507 4 p.

Research output: Contribution to journalArticle

73 Citations (Scopus)

Applications of microwave reflectance methods to the study of p-Si in fluoride solutions

Cass, M. J., Duffy, N. W., Kirah, K., Peter, L. M., Pennock, S. R., Ushiroda, S. & Walker, A. B., 13 Dec 2002, In : Journal of Electroanalytical Chemistry. 538-539, p. 191-203 13 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Azetidinium lead iodide for perovskite solar cells

Pering, S. R., Deng, W., Troughton, J. R., Kubiak, P. S., Ghosh, D., Niemann, R. G., Brivio, F., Jeffrey, F. E., Walker, A. B., Islam, M. S., Watson, T. M., Raithby, P. R., Johnson, A. L., Lewis, S. E. & Cameron, P. J., 21 Oct 2017, In : Journal of Materials Chemistry A. 5, 39, p. 20658-20665 8 p.

Research output: Contribution to journalArticle

Open Access
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16 Citations (Scopus)
89 Downloads (Pure)

Bicontinuous minimal surface nanostructures for polymer blend solar cells

Kimber, R. G. E., Walker, A. B., Schroder-Turk, G. E. & Cleaver, D. J., 28 Jan 2010, In : Physical Chemistry Chemical Physics. 12, 4, p. 844-851 8 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)

Can slow-moving ions explain hysteresis in the current–voltage curves of perovskite solar cells?

Richardson, G., O'Kane, S., Niemann, R., Peltola, T., Foster, J., Cameron, P. & Walker, A., 1 Apr 2016, In : Energy & Environmental Science. 9, 4, p. 1476-1485 10 p.

Research output: Contribution to journalArticle

Open Access
192 Citations (Scopus)
12 Downloads (Pure)
Open Access
224 Citations (Scopus)
34 Downloads (Pure)

Community pharmacists' views and beliefs about the treatment of symptoms suggestive of vaginal thrush in community pharmacies

Watson, M. C., Walker, A. E. & Bond, C. M., Aug 2000, In : Pharmacy World and Science. 22, 4, p. 130-135 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Computational Modelling of Point Defects in Lithium Garnets

Squires, A., Walker, A. & Morgan, B., 18 Dec 2017.

Research output: Contribution to conferencePoster

Current-voltage characteristics of dendrimer light-emitting diodes

Stevenson, S. G., Samuel, I. D. W., Staton, S. V., Knights, K. A., Burn, P. L., Williams, J. H. T. & Walker, A. B., 29 Sep 2010, In : Journal of Physics D: Applied Physics. 43, 38, 385106.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Degradation in blue-emitting conjugated polymer diodes due to loss of ohmic hole injection

Khan, R. U. A., Bradley, D. D. C., Webster, M. A., Auld, J. L. & Walker, A. B., 2004, In : Applied Physics Letters. 84, 6, p. 921-923 3 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Determination of the electron diffusion length in dye-sensitized solar cells by substrate contact patterning

Dunn, H. K., Westin, P-O., Staff, D. R., Peter, L. M., Walker, A. B., Boschloo, G. & Hagfeldt, A., 21 Jul 2011, In : Journal of Physical Chemistry C. 115, 28, p. 13932-13937 6 p.

Research output: Contribution to journalArticle

Open Access
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13 Citations (Scopus)
124 Downloads (Pure)

Does supramolecular ordering influence exciton transport in conjugated systems? Insight from atomistic simulations

Papadopoulos, T. A., Muccioli, L., Athanasopoulos, S., Walker, A. B., Zannoni, C. & Beljonne, D., Jun 2011, In : Chemical Science. 2, 6, p. 1025-1032 8 p.

Research output: Contribution to journalArticle

Open Access
File
25 Citations (Scopus)
207 Downloads (Pure)

Dye-sensitized solar cells based on oriented TiO2 nanotube arrays: transport, trapping, and transfer of electrons

Jennings, J. R., Ghicov, A., Peter, L. M., Schmuki, P. & Walker, A. B., 8 Oct 2008, In : Journal of the American Chemical Society. 130, 40, p. 13364-13372 9 p.

Research output: Contribution to journalArticle

685 Citations (Scopus)

Dynamical Monte Carlo modelling of organic solar cells: The dependence of internal quantum efficiency on morphology

Watkins, P. K., Walker, A. B. & Verschoor, G. L. B., 2005, In : Nano Letters. 5, 9, p. 1814-1818 5 p.

Research output: Contribution to journalArticle

326 Citations (Scopus)

Dynamic Monte Carlo simulation for highly efficient polymer blend photovoltaics

Meng, L. Y., Shang, Y., Li, Q. K., Li, Y. F., Zhan, X. W., Shuai, Z. G., Kimber, R. G. E. & Walker, A. B., 14 Jan 2010, In : Journal of Physical Chemistry B. 114, 1, p. 36-41 6 p.

Research output: Contribution to journalArticle

112 Citations (Scopus)

Effect of spatial irregularities on the temperature and field dependence of the mobility in liquid-crystalline conjugated polymer films

Martin, S. J., Kambili, A. & Walker, A. B., 2004, In : Macromolecular Symposia. 212, p. 263-268 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Effects of piezoelectric field, bias and indium fluctuations on a InGaN-GaN single quantum well system

Oriato, D. & Walker, A. B., 2002, In : Physica B Condensed Matter. 314, 1-4, p. 59-62 4 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Electrical transport characteristics of single-layer organic devices from theory and experiment

Martin, S. J., Walker, A. B., Campbell, A. J. & Bradley, D. D. C., 2005, In : Journal of Applied Physics. 98, 6

Research output: Contribution to journalArticle

34 Citations (Scopus)

Electrical transport modelling in organic electroluminescent devices

Walker, A. B., Kambili, A. & Martin, S. J., 2002, In : Journal of Physics-Condensed Matter. 14, 42, p. 9825-9876 52 p.

Research output: Contribution to journalArticle

116 Citations (Scopus)

Electron transport in the dye sensitized nanocrystalline cell

Kambili, A., Walker, A., Qiu, F. L., Fisher, A. C., Savin, A. & Peter, L. M., 2002, In : Physica E-Low-Dimensional Systems & Nanostructures. 14, 1-2, p. 203-209 7 p.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Exciton diffusion in energetically disordered organic materials

Athanasopoulos, S., Emelianova, E. V., Walker, A. B. & Beljonne, D., Nov 2009, In : Physical Review B. 80, 19, 195209.

Research output: Contribution to journalArticle

87 Citations (Scopus)

Good Vibrations: Locking of Octahedral Tilting in Mixed-Cation Iodide Perovskites for Solar Cells

Ghosh, D., Walsh Atkins, P., Islam, M. S., Walker, A. B. & Eames, C., 13 Oct 2017, In : ACS Energy Letters. 2, 10, p. 2424-2429 6 p.

Research output: Contribution to journalArticle

Open Access
File
34 Citations (Scopus)
27 Downloads (Pure)

Grain morphology and trapping effects on electron transport in dye-sensitized nanocrystalline solar cells

Cass, M. J., Walker, A. B., Martinez, D. & Peter, L. M., 2005, In : Journal of Physical Chemistry B. 109, 11, p. 5100-5107 8 p.

Research output: Contribution to journalArticle

88 Citations (Scopus)

How transport layer properties affect perovskite solar cell performance: Insights from a coupled charge transport/ion migration model

Courtier, N. E., Cave, J. M., Foster, J. M., Walker, A. B. & Richardson, G., 1 Jan 2019, In : Energy and Environmental Science. 12, 1, p. 396-409 14 p.

Research output: Contribution to journalArticle

Open Access
25 Citations (Scopus)

Influence of grain morphology on electron transport in dye sensitized nanocrystalline solar cells

Cass, M. J., Qiu, F. L., Walker, A. B., Fisher, A. C. & Peter, L. M., 2003, In : Journal of Physical Chemistry B. 107, 1, p. 113-119 7 p.

Research output: Contribution to journalArticle

123 Citations (Scopus)

Influence of ionizing dopants on charge transport in organic semiconductors

Abate, A., Staff, D. R., Hollman, D. J., Snaith, H. J. & Walker, A. B., 1 Jan 2014, In : Physical Chemistry Chemical Physics . 16, 3, p. 1132-1138 7 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)

In situ detection of free and trapped electrons in dye-sensitized solar cells by photo-induced microwave reflectance measurements

Dunn, H. K., Peter, L. M., Bingham, S. J., Maluta, E. & Walker, A. B., 18 Oct 2012, In : Journal of Physical Chemistry C. 116, 41, p. 22063-22072 10 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
131 Downloads (Pure)

Interpretation of apparent activation energies for electron transport in dye-sensitized nanocrystalline solar cells

Peter, L. M., Walker, A. B., Boschloo, G. & Hagfeldt, A., 2006, In : Journal of Physical Chemistry B. 110, 28, p. 13694-13699 6 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)

IonMonger: a free and fast planar perovskite solar cell simulator with coupled ion vacancy and charge carrier dynamics

Courtier, N. E., Cave, J. M., Walker, A. B., Richardson, G. & Foster, J. M., 1 Dec 2019, In : Journal of Computational Electronics. 18, 4, p. 1435-1449 15 p.

Research output: Contribution to journalArticle

Open Access

Lead-Free Perovskite Semiconductors Based on Germanium-Tin Solid Solutions: Structural and Optoelectronic Properties

Nagane, S., Ghosh, D., Hoye, R. L. Z., Zhao, B., Ahmad, S., Walker, A. B., Saiful Islam, M., Ogale, S. & Sadhanala, A., 22 Mar 2018, In : Journal of Physical Chemistry C. 122, 11, p. 5940-5947 8 p.

Research output: Contribution to journalArticle

Open Access
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20 Citations (Scopus)
79 Downloads (Pure)

Measurement and modelling of dark current decay transients in perovskite solar cells

O'Kane, S. E. J., Richardson, G., Pockett, A., Niemann, R. G., Cave, J. M., Sakai, N., Eperon, G. E., Snaith, H. J., Foster, J. M., Cameron, P. J. & Walker, A. B., 14 Jan 2017, In : Journal of Materials Chemistry C. 2017, 5, p. 452-462

Research output: Contribution to journalArticle

Open Access
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23 Citations (Scopus)
112 Downloads (Pure)

Mesoscopic kinetic Monte Carlo modeling of organic photovoltaic device characteristics

Kimber, R. G. E., Wright, E. N., O'Kane, S. E. J., Walker, A. B. & Blakesley, J. C., 26 Dec 2012, In : Physical Review B. 86, 23, 235206.

Research output: Contribution to journalArticle

Open Access
File
51 Citations (Scopus)
140 Downloads (Pure)

Microscopic origins of charge transport in triphenylene systems

Thompson, I. R., Coe, M. K., Walker, A. B., Ricci, M., Roscioni, O. M. & Zannoni, C., 5 Jun 2018, In : Physical Review Materials. 2, 6, 12 p., 064601.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
43 Downloads (Pure)

Microwave reflectance studies of photoelectrochemical kinetics at semiconductor electrodes. 1. Steady-state, transient, and periodic responses

Cass, M. J., Duffy, N. W., Peter, L. M., Pennock, S. R., Ushiroda, S. & Walker, A. B., 24 May 2003, In : Journal of Physical Chemistry B. 107, 24, p. 5857-5863 7 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)
9 Citations (Scopus)
Open Access
File
16 Citations (Scopus)
15 Downloads (Pure)

Modelling exciton diffusion in disordered conjugated polymers

Athanasopoulos, S., Emelianova, E. V., Walker, A. B. & Beljonne, D., 2010, In : Proceedings of SPIE - The International Society for Optical Engineering. 7722, 772214.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
106 Downloads (Pure)

Modelling ion motion in perovskite films

O'Kane, S., Foster, J., Cave, J., Courtier, N., Richardson, G. & Walker, A., 26 Sep 2016.

Research output: Contribution to conferencePoster

Open Access
File
43 Downloads (Pure)

Modelling Point Defects in Lithium Garnets

Squires, A., Walker, A. & Morgan, B., 17 Jun 2018.

Research output: Contribution to conferencePoster

Modelling Temperature Dependence of Hysteresis in Perovskite Solar Cells

O'Kane, S., Richardson, G., Pockett, A., Foster, J., Sakai, N., Eperon, G., Snaith, H. & Walker, A., 1 Jul 2016.

Research output: Contribution to conferencePaper

Open Access
File
38 Downloads (Pure)

Modelling temperature-dependent current-voltage characteristics of an MEH-PPV organic light emitting device

Martin, S. J., Lupton, J. M., Samuel, I. D. W. & Walker, A. B., 2002, In : Journal of Physics-Condensed Matter. 14, 42, p. 9925-9933 9 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Monte Carlo studies of electronic processes in dye-sensitized solar cells

Walker, A. B., 2014, Topics in Current Chemistry . Springer, Vol. 352. p. 237-256 20 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Citations (Scopus)

Multiscale Modeling of Charge and Energy Transport in Organic Light-Emitting Diodes and Photovoltaics

Walker, A. B., Sep 2009, In : Proceedings of the IEEE. 97, 9, p. 1587-1596 10 p.

Research output: Contribution to journalArticle

File
12 Citations (Scopus)
112 Downloads (Pure)

On the importance of detailed structure in molecular electronics (and why microscopic models cannot see the wood for trees)

Thompson, I. R., Coe, M. K., Walker, A. B., Ricci, M., Roscioni, O. M. & Zannoni, C., 8 Dec 2018, In : Liquid Crystals. 45, 13-15, p. 2086-2096 11 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Parametric study of perovskite solar cells using drift-diffusion modelling

O'Kane, S., Richardson, G., Niemann, R., Foster, J., Cameron, P. & Walker, A., 27 Sep 2015.

Research output: Contribution to conferencePoster

Open Access
File
34 Downloads (Pure)

Partial cation substitution reduces iodide ion transport in lead iodide perovskite solar cells

Ferdani, D., Pering, S., Ghosh, D., Kubiak, P., Walker, A., Lewis, S., Johnson, A., Baker, P., Islam, M. & Cameron, P., 15 May 2019, In : Energy & Environmental Science. 12, 7, p. 2264-2272 9 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Predictive study of charge transport in disordered semiconducting polymers

Athanasopoulos, S., Kirkpatrick, J., Martinez, D., Frost, J. M., Foden, C. M., Walker, A. B. & Nelson, J., 2007, In : Nano Letters. 7, 6, p. 1785-1788 4 p.

Research output: Contribution to journalArticle

72 Citations (Scopus)

Putting the Squeeze on Lead Iodide Perovskites: Pressure-Induced Effects to Tune Their Structural and Optoelectronic Behavior

Ghosh, D., Aziz, A., Dawson, J. A., Walker, A. B. & Islam, M. S., 11 Jun 2019, In : Chemistry of Materials. 31, 11, p. 4063-4071 9 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Real-time optical waveguide measurements of dye adsorption into nanocrystalline TiO2 films with relevance to dye-sensitized solar cells

Peic, A., Staff, D., Risbridger, T., Menges, B., Peter, L. M., Walker, A. B. & Cameron, P. J., 27 Jan 2011, In : Journal of Physical Chemistry C. 115, 3, p. 613-619 7 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Salt bridge impact on global rigidity and thermostability in thermophilic citrate synthase

McManus, T. J., Wells, S. A. & Walker, A. B., 8 Nov 2019, In : Physical Biology. 17, 1, p. 1-9 10 p., 016002.

Research output: Contribution to journalArticle