The synthesis of regio-regular poly(3-alkyl-2,5-thienylene vinylene) derivatives using lithium bis(trimethylsilyl)amide (LHMDS) in the dithiocarbamate precursor

被引:32
作者
Banishoeib, F.
Adriaensens, P.
Berson, S.
Guillerez, S.
Douheret, O.
Manca, J.
Fourier, S.
Cleij, T. J.
Lutsen, L.
Vanderzande, D.
机构
[1] Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium
[2] IMEC, IMOMEC Div, B-3590 Diepenbeek, Belgium
[3] CEA, DRFMC, SPrAM, LEMOH,UMR 5819, F-38054 Grenoble, France
关键词
low band gap; conjugated polymer; precursor polymer; PTV;
D O I
10.1016/j.solmat.2007.02.013
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Poly(2,5-thienylene vinylene) derivatives (PTVs) present a specific class of low band gap conjugated polymers of which the synthesis seems to be problematic. Recently, the dithiocarbamate route was introduced as a synthetic route towards PTV. However, the synthesis of alkyl-PTV derivatives failed on using lithium diisopropyl amide (LDA) as the base in the polymerisation reaction. We demonstrate that the use of lithium bis(trimethylsilyl)amide (LHMDS) instead of LDA allows for an efficient synthesis of alkyl-PTV derivatives. Indications are presented for the formation of an ordered structure in case of the 3-alkyl derivative, pointing to a regio-regular polymerisation process. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:1026 / 1034
页数:9
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