Controlled dispersion of a porphyrin/fullerene donor‐acceptor complex in semiconducting polymer thin films: Intermolecular interactions of polymers with porphyrin and fullerene |
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| Authors: | Itaru Natori Shizue Natori Naoki Hanawa Kenji Ogino |
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| Affiliation: | 1. Energy & Environment R&D Center, Corporate Research & Development, Asahi Kasei Corporation, 2‐1 Samejima, Fuji City, Shizuoka, Japan;2. Chemical and Material Systems, Graduate School of Bio‐Applications and Systems Engineering, Tokyo University of Agriculture & Technology, Koganei City, Tokyo, Japan |
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| Abstract: | Thin films composed of semiconducting polymers poly(2‐vinyl naphthalene), poly(4‐diphenyl aminostyrene), poly(1‐vinyl pyrene), and poly(3‐hexyl thiophene‐2,5‐diyl)], zinc(II)?5,10,15,20‐tetra‐(2‐naphthyl)porphyrin, and 6,6]‐phenyl‐C61‐butyric acid methyl ester blends were prepared to investigate the controlled dispersion of porphyrin molecules in semiconducting polymer thin films. Tailoring the intermolecular interactions between the polymer/fullerene, polymer/porphyrin, and porphyrin/fullerene systems was found to be an effective method of controlling the dispersion. When the polymer/porphyrin interactions were enhanced, intermixed porphyrin/fullerene donor–acceptor complex domains were formed, whereas under conditions where the polymer/porphyrin interactions were weakened, the complex assembled at the borders between the polymer and fullerene phases. This concept could potentially be applied to various combinations of porphyrin/fullerene systems in semiconducting polymer thin films to develop polymer solar cells with excellent performance. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132, 41629. |
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| Keywords: | blends compatibilization conducting polymers films optical and photovoltaic applications |
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