Research

Items by Walker, Alison

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Number of items: 41.

Bailey, J., Wright, E.N., Wang, X., Walker, A.B., Bradley, D.D.C. and Kim, J.-S., 2014. Understanding the role of ultra-thin polymeric interlayers in improving efficiency of polymer light emitting diodes. Journal of Applied Physics, 115 (20).

Abate, A., Staff, D. R., Hollman, D. J., Snaith, H. J. and Walker, A. B., 2014. Influence of ionizing dopants on charge transport in organic semiconductors. Physical Chemistry Chemical Physics, 16 (3), pp. 1132-1138.

Brivio, F., Walker, A. B. and Walsh, A., 2013. Structural and electronic properties of hybrid perovskites for high-efficiency thin-film photovoltaics from first-principles. APL Materials, 1 (4), 042111.

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.

Athanasopoulos, S., Kirkpatrick, J., Martinez, D., Frost, J. M., Foden, C. M., Walker, A. B. and Nelson, J., 2007. Predictive study of charge transport in disordered semiconducting polymers. Nano Letters, 7 (6), pp. 1785-1788.

Walker, A. B., Peter, L. M., Martinez, D. and Lobato, K., 2007. Transient photocurrents in dye-sensitized nanocrystalline solar cells. Chimia, 61 (12), pp. 792-795.

Walker, A. B., Peter, L. M., Lobato, K. and Cameron, P., 2006. Analysis of photovoltage decay transients in dye-sensitized solar cells. Journal of Physical Chemistry B, 110 (50), pp. 25504-25507.

Peter, L. M., Walker, A. B., Boschloo, G. and Hagfeldt, A., 2006. Interpretation of apparent activation energies for electron transport in dye-sensitized nanocrystalline solar cells. Journal of Physical Chemistry B, 110 (28), pp. 13694-13699.

Watkins, P. K., Walker, A. B. and Verschoor, G. L. B., 2005. Dynamical Monte Carlo modelling of organic solar cells: The dependence of internal quantum efficiency on morphology. Nano Letters, 5 (9), pp. 1814-1818.

Martin, S. J., Walker, A. B., Campbell, A. J. and Bradley, D. D. C., 2005. Electrical transport characteristics of single-layer organic devices from theory and experiment. Journal of Applied Physics, 98 (6).

Cass, M. J., Walker, A. B., Martinez, D. and Peter, L. M., 2005. Grain morphology and trapping effects on electron transport in dye-sensitized nanocrystalline solar cells. Journal of Physical Chemistry B, 109 (11), pp. 5100-5107.

Khan, R. U. A., Bradley, D. D. C., Webster, M. A., Auld, J. L. and Walker, A. B., 2004. Degradation in blue-emitting conjugated polymer diodes due to loss of ohmic hole injection. Applied Physics Letters, 84 (6), pp. 921-923.

Martin, S. J., Kambili, A. and Walker, A. B., 2004. Effect of spatial irregularities on the temperature and field dependence of the mobility in liquid-crystalline conjugated polymer films. Macromolecular Symposia, 212, pp. 263-268.

Webster, M. A. and Walker, A., 2004. Simulation of the external quantum efficiency for bilayer organic light-emitting diodes. In: Conference on Organic Light-Emitting Materials and Devices VII, 2003-08-04, San Diego.

Cass, M. J., Qiu, F. L., Walker, A. B., Fisher, A. C. and Peter, L. M., 2003. Influence of grain morphology on electron transport in dye sensitized nanocrystalline solar cells. Journal of Physical Chemistry B, 107 (1), pp. 113-119.

Cass, M. J., Duffy, N. W., Peter, L. M., Pennock, S. R., Ushiroda, S. and Walker, A. B., 2003. Microwave reflectance studies of photoelectrochemical kinetics at semiconductor electrodes. 1. Steady-state, transient, and periodic responses. Journal of Physical Chemistry B, 107 (24), pp. 5857-5863.

Cass, M. J., Duffy, N. W., Peter, L. M., Pennock, S. R., Ushiroda, S. and Walker, A. B., 2003. Microwave reflectance studies of photoelectrochemical kinetics at semiconductor electrodes. 2. Hydrogen evolution at p-Si in ammonium fluoride solution. Journal of Physical Chemistry B, 107 (24), pp. 5864-5870.

Martin, S. J., Kambili, A. and Walker, A. B., 2003. Temperature and field dependence of the mobility of highly ordered conjugated polymer films. Physical Review B, 67 (16).

Qiu, F. L., Fisher, A. C., Walker, A. B. and Peter, L. M., 2003. The distribution of photoinjected electrons a dye-sensitized nanocrystalline TiO2 solar cell modelled by a boundary element method. Electrochemistry Communications, 5 (8), pp. 711-716.

Cass, M. J., Duffy, N. W., Kirah, K., Peter, L. M., Pennock, S. R., Ushiroda, S. and Walker, A. B., 2002. Applications of microwave reflectance methods to the study of p-Si in fluoride solutions. Journal of Electroanalytical Chemistry, 538, pp. 191-203.

Oriato, D. and Walker, A. B., 2002. Effects of piezoelectric field, bias and indium fluctuations on a InGaN-GaN single quantum well system. Physica B Condensed Matter, 314 (1-4), pp. 59-62.

Walker, A. B., Kambili, A. and Martin, S. J., 2002. Electrical transport modelling in organic electroluminescent devices. Journal of Physics-Condensed Matter, 14 (42), pp. 9825-9876.

Kambili, A., Walker, A., Qiu, F. L., Fisher, A. C., Savin, A. and Peter, L. M., 2002. Electron transport in the dye sensitized nanocrystalline cell. Physica E-Low-Dimensional Systems & Nanostructures, 14 (1-2), pp. 203-209.

Martin, S. J., Lupton, J. M., Samuel, I. D. W. and Walker, A. B., 2002. Modelling temperature-dependent current-voltage characteristics of an MEH-PPV organic light emitting device. Journal of Physics-Condensed Matter, 14 (42), pp. 9925-9933.

Martin, S. J., Verschoor, G. L. B., Webster, M. A. and Walker, A. B., 2002. The internal electric field distribution in bilayer organic light emitting diodes. Organic Electronics, 3 (3-4), pp. 129-141.

Oriato, D., Walker, A. B. and Wang, W. N., 2001. Simulation of widebandgap multi-quantum well light emitting diodes. VLSI Design, 13 (1-4), pp. 295-299.

Kambili, A. and Walker, A. B., 2001. Transport properties of highly aligned polymer light-emitting diodes. Physical Review B, 6301 (1).

This list was generated on Thu Oct 23 09:10:22 2014 IST.