Dependences of Characteristics of Polymer Solar Cells Based on Bulk Heterojunction of Poly(3-hexylthiophene) and C60 on Composite Ratio and Annealing Temperature

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概要

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• Polymer solar cells based on bulk heterojunction of poly(3-hexylthiophene) (PAT6) and C60 with high efficiencies have been demonstrated. The efficiencies were markedly dependent on composite ratios and annealing temperatures, and energy conversion efficiencies of 2.2% under white light and 6.5% under monochromatic light were obtained in a cell with a PAT6:C60 composite ratio of $1:0.5$ annealed at 100 °C. Furthermore, the absorption of PAT6:C60 composite films in a wavelength range related to the absorption of PAT6 depended on the C60 composite ratios, and was changed significantly by annealing. These changes are discussed taking into consideration the hindrance of the crystallization of PAT6 by C60 and the phase segregation between PAT6 and C60 through the aggregation and crystallization of each molecule caused by annealing.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2006-06-15

著者

• NODA Hideki

  Division of Electrical, Electric and Information Engineering, Graduate School of Engineering, Osaka

• Ozaki Masanori

  Division Of Cardiovascular And Respiratory Medicine Department Of Internal Medicine Kobe University

• Umeda Tokiyoshi

  Division Of Electrical Electric And Information Engineering Graduate School Of Engineering Osaka Uni

• Fujii Akihiko

  Division Of Electrical Electronic And Information Engineering Osaka University

• Shibata Takeshi

  Division Of Biotechnology And Macromolecular Chemistry Graduate School Of Engineering Hokkaido Unive

• Ozaki Masanori

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

• Yoshino Katsumi

  Center of Advanced Science and Innovation, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

• Yoshino Katsumi

  Center for Advanced Science and Innovation, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

• Umeda Tokiyoshi

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

• Fujii Akihiko

  Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan

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