噻唑
轨道能级差
缩聚物
共轭体系
部分
共聚物
聚合物
材料科学
吡咯
高分子化学
Stille反应
化学
有机化学
分子
作者
Nicolas Allard,Ahmed Najari,J. Pouliot,Agnieszka Proń,François Grenier,Mario Leclerc
出处
期刊:Polymer Chemistry
[The Royal Society of Chemistry]
日期:2012-01-01
卷期号:3 (10): 2875-2875
被引量:49
摘要
New alternating copolymers based on thieno[3,4-d]thiazole (TTz) derivatives were synthesized by Stille, Suzuki or direct (hetero)arylation polycondensation (DHAP) reactions using either benzodithiophene (BDT), dithienosilole (DTS), thieno[3,4-c]pyrrole-4,6-dione (TPD), diketopyrrolopyrrole-1,4-dione (DPP) or isoindigo units as comonomers. In particular, the direct hetero(arylation) polycondensation reaction has been shown to be a very interesting tool for a more efficient and economical access to new conjugated polymers. Modifications of the TTz moiety and of the polymer backbone show that it is possible to efficiently modulate the HOMO and LUMO energy levels of TTz-based copolymers. These conjugated polymers exhibit bandgaps between 1.07 and 1.82 eV with HOMO energy levels ranging from −5.06 to −5.48 eV and LUMO energy levels ranging from −3.61 to −4.02 eV.
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