Organic photovoltaic cells containing discotic liquid crystalline phthalocyanines

Seunghyup Yoo; Benoit Domercq; Carrie L Donley; Chet Carter; Wei Xia; Britt A Minch; David F O'Brien; Neal R Armstrong; Bernard Kippelen

doi:10.1117/12.506470

6 February 2004 Organic photovoltaic cells containing discotic liquid crystalline phthalocyanines

Seunghyup Yoo, Benoit Domercq, Carrie L Donley, Chet Carter, Wei Xia, Britt A Minch, David F O'Brien, Neal R Armstrong, Bernard Kippelen

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Proceedings Volume 5215, Organic Photovoltaics IV; (2004) https://doi.org/10.1117/12.506470
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

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.

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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); https://doi.org/10.1117/12.506470

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