화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.14, No.4, 468-472, July, 2008
DOI10.1016/j.jiec.2008.02.001  Export Citation
Electro-optical and electrochemical properties of an conjugated cyclopolymer: Poly(9,9-dipropargylfluorene)
Yeong-Soon Gal†, Sung-Ho Jin1, Ae-Ran Hyun2, Young-Il Park2, Jong-Wook Park2, Kwon Taek Lim3, and Won-Chul Lee4
  • Polymer Chemistry Laboratory, College of Engineering, Kyungil University, Hayang 712-701, Republic of Korea
  • 1Department of Chemistry and Center for Plastic Information System, Pusan National University, Busan 609-735, Republic of Korea
  • 2Department of Chemistry and Display Research Center, The Catholic University, Bucheon 420-743, Republic of Korea
  • 3Division of Image and Information Engineering, Pukyong National University, Busan 608-739, Republic of Korea
  • 4Department of Textile and Fashion Technology, Kyungil University, Hayang 712-701, Republic of Korea
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The conjugated cyclopolymer, poly(9,9-dipropargylfluorene), was prepared by the ring-forming polymerization of 9,9-dipropargylfluorene by (bicyclo[2.2.1]hepta-2,5-diene)dichloropalladium(II) in high yield. The chemical structure of poly(9,9-dipropargylfluorene) was characterized by such instrumental methods as NMR (1H, 13C), IR, UV.vis spectroscopies, and elemental analysis to have the conjugated polymer backbone bearing fluorene moieties. Poly(9,9-dipropargylfluorene) showed characteristic UV.vis absorption band at 307 and 324 nm and violet-blue PL spectrum at 411 nm, corresponding to a photon energy of 3.01 eV. The cyclic voltamograms of the polymer exhibited reversible 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 mixed with the electron transfer process from the experiment of the oxidation current density of polymer vs. the scan rate.
Keywords:Polyacetylene;Conjugated polymer;Cyclopolymerization;Photoluminescence;Cyclic voltammogram
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