Substitution position effect on photoluminescence emission and chain conformation of poly(diphenylacetylene) derivatives

Wang-Eun Lee; Chang-Jin Oh; Guen-Tae Park; Jin-Woo Kim; Heung-Jin Choi; Toshikazu Sakaguchi; Michiya Fujiki; Ayako Nakao; Ken-ichi Shinohara; Giseop Kwak

doi:10.1039/C0CC01481H

Substitution position effect on photoluminescence emission and chain conformation of poly(diphenylacetylene) derivatives†

Wang-Eun Lee,^a Chang-Jin Oh,^a Guen-Tae Park,^a Jin-Woo Kim,^a Heung-Jin Choi,*^b Toshikazu Sakaguchi,^c Michiya Fujiki,^d Ayako Nakao,^d Ken-ichi Shinohara^e and Giseop Kwak*^a

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^a Department of Polymer Science, Kyungpook National University, 1370 Sankyuk-dong, Buk-ku, Daegu 702-701, Korea
E-mail: gkwak@knu.ac.kr
Fax: +82-53-950-6623
Tel: +82-53-950-7558

^b Department of Applied Chemistry, Kyungpook National University, 1370 Sankyuk-dong, Buk-ku, Daegu 702-701, Korea

^c Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan

^d Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0101, Japan

^e School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan

Abstract

The significant variation in photoluminescence emission of poly(diphenylacetylene) derivatives according to the substitution position is due to the differences in the intramolecular π-stack structure and chain conformation.

Chemical Communications

Substitution position effect on photoluminescence emission and chain conformation of poly(diphenylacetylene) derivatives†

Abstract

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Substitution position effect on photoluminescence emission and chain conformation of poly(diphenylacetylene) derivatives

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