Solvent-vapor treatment induced performance enhancement of poly(3-hexylthiophene):methanofullerene bulk-heterojunction photovoltaic cells
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- Yun Zhao
- Changchun Institute of Applied Chemistry State Key Laboratory of Polymer Physics and Chemistry, , Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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- Zhiyuan Xie
- Changchun Institute of Applied Chemistry State Key Laboratory of Polymer Physics and Chemistry, , Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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- Yao Qu
- Changchun Institute of Applied Chemistry State Key Laboratory of Polymer Physics and Chemistry, , Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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- Yanhou Geng
- Changchun Institute of Applied Chemistry State Key Laboratory of Polymer Physics and Chemistry, , Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
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- Lixiang Wang
- Changchun Institute of Applied Chemistry State Key Laboratory of Polymer Physics and Chemistry, , Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Changchun 130022, People’s Republic of China
書誌事項
- 公開日
- 2007-01-22
- DOI
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- 10.1063/1.2434173
- 公開者
- AIP Publishing
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説明
<jats:p>The authors report enhanced poly(3-hexylthiophene) (P3HT):methanofullerene (PCBM) bulk-heterojunction photovoltaic cells via 1,2-dichlorobenzene (DCB) vapor treatment and thermal annealing. DCB vapor treatment can induce P3HT self-organizing into ordered structure leading to enhanced absorption and high hole mobility. Further annealing the device at a high temperature, PCBM molecules begin to diffuse into aggregates and together with the ordered P3HT phase form bicontinuous pathways in the entire layer for efficient charge separation and transport. Compared to the control device that is merely annealed, optical absorption, short-circuit current, and power conversion efficiency are increased for the DCB vapor-treated cell.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 90 (4), 043504-, 2007-01-22
AIP Publishing
