화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.18, No.2, 814-817, March, 2012
DOI10.1016/j.jiec.2011.10.005  Export Citation
Electro-optical and electrochemical properties of poly(2-ethynylthiophene)
Hyun-Kuk Choi, Sung-Ho Jin1, Jong-Wook Park2, Sang Youl Kim3, and Yeong-Soon Gal4, †
  • School of Nano & Materials Science and Engineering, Kyungpook National University, Sangju 742-711, Gyeongsangbuk-Do, Republic of Korea
  • 1Department of Chemistry Education, Pusan National University, Busan 609-735, Republic of Korea
  • 2Department of Chemistry, Center for Display Research, The Catholic University of Korea, Bucheon 420-743, Republic of Korea
  • 3Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejon 305-701, Republic of Korea
  • 4Polymer Chemistry Laboratory, College of Engineering, Kyungil University, Gyeongsan 712-701, Gyeongsangbuk-Do, Republic of Korea
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A polyacetylene having thiophene substituent, poly(2-ethynylthiophene), was prepared by WCl6-Ph4Sn catalyst system in high yield. The chemical structure of polymer was characterized by various instrumental methods to have polyacetylene backbone with 2-thienyl substituents. The 1H NMR spectrum indicated that the present polymer seems to have trans polyacetylene microstructure majorly. The photoluminescence (PL) spectra of poly(2-ethynylthiophene) showed that the photoluminescence peak is located at 456 nm, corresponding to a photon energy of 2.72 eV. The cyclic voltamograms of poly(2-ethynylthiophene) exhibited irreversible electrochemical behaviors between the doped and undoped peaks. It was found that the kinetics of the redox process of polymer is controlled by the diffusion process in this electrochemical cell system.
Keywords:Polyacetylene;Conjugated polymer;2-Ethynylthiophene;Poly(2-ethynylthiophene);Electro-optical;Cyclovoltammogram
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