Facile Syntheses of Dioxythiophene-Based Conjugated Polymers by Direct C−H Arylation

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/80008

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題名:	Facile Syntheses of Dioxythiophene-Based Conjugated Polymers by Direct C−H Arylation
作者:	Zhao, Haichao;Liu, Ching-Yuan;Luo, Shyh-Chyang;Zhu, Bo;Wang, Tsai-Hui;Hsu, Hsiu-Fu;Yu,Hsiao-hua
貢獻者:	淡江大學化學學系
日期:	2012-09
上傳時間:	2013-01-16 15:28:49 (UTC+8)
出版者:	Washington DC: American Chemical Society
摘要:	Various substituted dioxythiophenes bearing 3,4-propylenedioxythiophenes (ProDOT) and 3,4-ethylenedioxythiophene (EDOT) moieties successfully undergo Pd-catalyzed direct C–H arylation to yield π-conjugated polymers. The effects of palladium catalysts, phosphine ligands or additives, and functional groups on this facile polycondensation approach are investigated. Polymers from alkoxy-substituted ProDOT are synthesized with reasonable molecular weight (Mn = 6100–9600) and low PDI (1.3–1.9). Four substituted EDOT with alkoxy or protected functional groups also undergo direct C–H arylation polycondensation to yield corresponding polymers. The obtained polydioxythiophenes exhibit UV–vis absorptions ranging from 480 to 590 nm, and these conjugated polymers are electroactive and reversibly switched between the oxidized and neutral states upon applying potentials.
關聯:	Macromolecules 45(19), pp.7783–7790
DOI:	10.1021/ma300719n
顯示於類別:	[化學學系暨研究所] 期刊論文

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