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6 February 2004 Organic photovoltaic cells containing discotic liquid crystalline phthalocyanines
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We report on the photovoltaic properties of solar cells containing a new discotic liquid crystalline material (DL-CuPc) based on copper phthalocyanine. In addition to being soluble, these materials can self-organize into highly ordered structures which can lead to good transport properties that can potentially be superior to those of amorphous materials. Increase in short-circuit current density and fill factor was obtained by thermal annealing of spin-coated DL-CuPc layer in bi-layer solar cells based on junction between DL-CuPc and C60. These improvements are explained by change in structure and morphology upon thermal annealing.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seunghyup Yoo, Benoit Domercq, Carrie L Donley, Chet Carter, Wei Xia, Britt A Minch, David F O'Brien, Neal R Armstrong, and Bernard Kippelen "Organic photovoltaic cells containing discotic liquid crystalline phthalocyanines", Proc. SPIE 5215, Organic Photovoltaics IV, (6 February 2004);


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