Thermal Annealing Effects on Optical Anisotropy of Aligned Thiophene-Based \pi-Conjugated Polymer Films Fabricated by Capillary Action
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概要
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Thermal annealing effects of the aligned thiophene-based polymer films were studied. Aligned poly{2,5-bis(3-alkylthiophene-2-yl)thieno[3,2-b]thiophene} (pBTTT) and poly{2,5-bis(3-alkylthiophene-2-yl)thieno[2,3-b]thiophene} (pBTCT) films were fabricated by utilizing capillary actions of polymer solutions. The optical anisotropies of the aligned films were enhanced by thermal annealing at temperatures below the phase transition. The differences in the optical anisotropies between pBTTT and pBTCT were discussed by taking the lamellar stacking structures in the aligned films and phase transition into consideration.
- 2012-02-25
著者
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Ozaki Masanori
Division Of Cardiovascular And Respiratory Medicine Department Of Internal Medicine Kobe University
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Fujii Akihiko
Division Of Electrical Electronic And Information Engineering Osaka University
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Yamasaki Naoyuki
Division Of Electrical Electronic And Information Engineering Graduate School Of Engineering Osaka U
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Yoshida Hiroyuki
Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto University
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Higashi Takuya
Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Utsumi Hideyuki
Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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