Improvement of Power Conversion Efficiency in Organic Photovoltaics by Slow Cooling in Annealing Treatment
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概要
- 論文の詳細を見る
We investigated the effect of cooling rate in the annealing treatment of bulk heterojunction organic photovoltaic devices using blend films of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) as the active layer. Slow cooling after thermal annealing altered the surface morphology and optical properties of the film as compared with those of fast cooling, which resulted in higher power conversion efficiency (PCE). The incident photon-to-current conversion efficiency (IPCE) was also improved in the case of slow cooling. The highest PCE, 3.4% under air mass 1.5 simulated solar illumination (100 mW/cm2), was achieved.
- 2010-12-25
著者
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Sagawa Takashi
Institute Of Advanced Energy Kyoto University
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Yoshikawa Susumu
Institute Of Advanced Energy Kyoto University
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Chuangchote Surawut
Institute of Advanced Energy, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Chuangchote Surawut
Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
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Ruankham Pipat
Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
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Sagawa Takashi
Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
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Yoshikawa Susumu
Institute of Advanced Energy (IAE), Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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Yoshikawa Susumu
Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
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