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1 November 1996 Preparation of photovoltaic cells from sexithiophene-C60 blends
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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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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);

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