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Non-Steady State Operation of Polymer/TiO2 Photovoltaic Devices

  • Kiril R. Kirov (a1), Victor M. Burlakov (a1), Michelle J. Carey (a1), Bernard M. Henry (a1), Zhibin Xie (a1), Christopher R. M. Grovenor (a1), Hazel E. Assender (a1), Graham R. Webster (a2) and G. Andrew D. Briggs (a1)...

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Polymer/TiO2 composite solar cells (CSCs) are currently being investigated by academic research groups and industrial companies due to the prospect of achieving good power conversion efficiencies and lifetime stability at a low production cost. We present data of the initial period of operation (up to several hours) of such devices, which show that during this period the CSCs operate in a non-steady state regime. The transient behaviour is accounted for using an equivalent circuit model (ECM) of the photovoltaic device with time-dependent resistors.

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Corresponding author: Telephone: +44-(0)1865-273704, Fax: +44-(0)1865-273789, E-mail: kiril.kirov@materials.ox.ac.uk

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[1] Brabec, C. J., Cravino, A., Meissner, D., Sariciftci, N. S., Fromherz, T., Rispens, M. T., Sanchez, L., Hummelen, J. C., Advanced Functional Materials, 11 (2001) pp. 374.
[2] Ramsdale, C. M., Barker, J. A., Arias, A. C., MacKenzie, J. D., Friend, R. H., and Greenham, N. C., Journal of Applied Physics, 92 (2002) pp.4266.
[3] Barker, J. A., Ramsdale, C. M., Greenham, N. C., Physical Review B, 67 (2003) pp.075205.
[4] Gregg, B. A., Hanna, M. C., Journal of Applied Physics, 95 (2003) pp.3605.

Non-Steady State Operation of Polymer/TiO2 Photovoltaic Devices

  • Kiril R. Kirov (a1), Victor M. Burlakov (a1), Michelle J. Carey (a1), Bernard M. Henry (a1), Zhibin Xie (a1), Christopher R. M. Grovenor (a1), Hazel E. Assender (a1), Graham R. Webster (a2) and G. Andrew D. Briggs (a1)...

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