Prof Alison Walker
Profile
Research Interests
A full description of my research interests is given on my personal web pages.
They are in the following areas organic light emitting diodes and photovoltaic devices and novel solar photovoltaic cells.
I am Coordinator of the Marie Curie Initial Training Network Destiny: DyE SensiTIzed solar cells with eNhanced stabilitY
I lead the Bath node of the Supersolar hub funded by the UK Engineering and Physical Sciences Research Council.
Publications
Kimber, R.G.E., Wright, E.N., O'Kane, S.E.J., Walker, A.B. and Blakesley, J.C., 2012. Mesoscopic kinetic Monte Carlo modeling of organic photovoltaic device characteristics. Physical Review B, 86 (23), 235206.
Dunn, H.K., Peter, L.M., Bingham, S.J., Maluta, E. and Walker, A.B., 2012. In situ detection of free and trapped electrons in dye-sensitized solar cells by photo-induced microwave reflectance measurements. Journal of Physical Chemistry C, 116 (41), pp. 22063-22072.
Dunn, H. K., Westin, P.-O., Staff, D. R., Peter, L. M., Walker, A. B., Boschloo, G. and Hagfeldt, A., 2011. Determination of the electron diffusion length in dye-sensitized solar cells by substrate contact patterning. Journal of Physical Chemistry C, 115 (28), pp. 13932-13937.
Papadopoulos, T. A., Muccioli, L., Athanasopoulos, S., Walker, A. B., Zannoni, C. and Beljonne, D., 2011. Does supramolecular ordering influence exciton transport in conjugated systems? Insight from atomistic simulations. Chemical Science, 2 (6), pp. 1025-1032.
Peic, A., Staff, D., Risbridger, T., Menges, B., Peter, L. M., Walker, A. B. and Cameron, P. J., 2011. Real-time optical waveguide measurements of dye adsorption into nanocrystalline TiO2 films with relevance to dye-sensitized solar cells. Journal of Physical Chemistry C, 115 (3), pp. 613-619.
Groves, C., Kimber, R. G. E. and Walker, A. B., 2010. Simulation of loss mechanisms in organic solar cells: a description of the mesoscopic Monte Carlo technique and an evaluation of the first reaction method. Journal of Chemical Physics, 133 (14), 144110.
Stevenson, S. G., Samuel, I. D. W., Staton, S. V., Knights, K. A., Burn, P. L., Williams, J. H. T. and Walker, A. B., 2010. Current-voltage characteristics of dendrimer light-emitting diodes. Journal of Physics D: Applied Physics, 43 (38), 385106.
Kimber, R. G. E., Walker, A. B., Schroder-Turk, G. E. and Cleaver, D. J., 2010. Bicontinuous minimal surface nanostructures for polymer blend solar cells. Physical Chemistry Chemical Physics, 12 (4), pp. 844-851.
Meng, L. Y., Shang, Y., Li, Q. K., Li, Y. F., Zhan, X. W., Shuai, Z. G., Kimber, R. G. E. and Walker, A. B., 2010. Dynamic Monte Carlo simulation for highly efficient polymer blend photovoltaics. Journal of Physical Chemistry B, 114 (1), pp. 36-41.
Athanasopoulos, S., Emelianova, E. V., Walker, A. B. and Beljonne, D., 2010. Modelling exciton diffusion in disordered conjugated polymers. Proceedings of SPIE - The International Society for Optical Engineering, 7722, 772214.
Athanasopoulos, S., Emelianova, E. V., Walker, A. B. and Beljonne, D., 2009. Exciton diffusion in energetically disordered organic materials. Physical Review B, 80 (19), 195209.
Walker, A. B., 2009. Multiscale Modeling of Charge and Energy Transport in Organic Light-Emitting Diodes and Photovoltaics. Proceedings of the IEEE, 97 (9), pp. 1587-1596.
Jennings, J. R., Ghicov, A., Peter, L. M., Schmuki, P. and Walker, A. B., 2008. Dye-sensitized solar cells based on oriented TiO2 nanotube arrays: transport, trapping, and transfer of electrons. Journal of the American Chemical Society, 130 (40), pp. 13364-13372.
Athanasopoulos, S., Hennebicq, E., Beljonne, D. and Walker, A., 2008. Trap limited exciton transport in conjugated polymers. Journal of Physical Chemistry C, 112 (30), pp. 11532-11538.
Williams, J. and Walker, A., 2008. Two-dimensional simulations of bulk heterojunction solar cell characteristics. Nanotechnology, 19 (42), p. 424011.
