Preparation of photovoltaic cells from sexithiophene-C60 blends

S. C. Veenstra; George G. Malliaras; Hendrik-Jan Brouwer; F. J. Esselink; Victor V. Krasnikov; Paul F. van Hutten; Jurjen Wildeman; H. T. Jonkman; George A. Sawatzky; Georges Hadziioannou

doi:10.1117/12.256183

1 November 1996 Preparation of photovoltaic cells from sexithiophene-C₆₀ blends

S. C. Veenstra, George G. Malliaras, Hendrik-Jan Brouwer, F. J. Esselink, Victor V. Krasnikov, Paul F. van Hutten, Jurjen Wildeman, H. T. Jonkman, George A. Sawatzky, Georges Hadziioannou

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Proceedings Volume 2852, Nonlinear Optical Properties of Organic Materials IX; (1996) https://doi.org/10.1117/12.256183
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Large photovoltaic responses have been recently observed in devices based on conjugated polymer-C₆₀ blends. Their enhanced performance, which relies on the formation of a bicontinuous network of donor-acceptor heterojunctions, is very sensitive to the morphology of the blend. In this paper, we propose sexithiophene-C₆₀ blends, prepared by coevaporation, as a model system for the study of these devices. Preliminary results suggest a microphase-separated morphology with a domain size comparable to the exciton diffusion length. A photovoltaic device with quantum efficiency of 1% is demonstrated.

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S. C. Veenstra, George G. Malliaras, Hendrik-Jan Brouwer, F. J. Esselink, Victor V. Krasnikov, Paul F. van Hutten, Jurjen Wildeman, H. T. Jonkman, George A. Sawatzky, and Georges Hadziioannou "Preparation of photovoltaic cells from sexithiophene-C₆₀ blends", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); https://doi.org/10.1117/12.256183

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