The preparation of 3,6-bis(3-hexylthien-2-yl)-<i>s</i>
-tetrazine and its conjugated polymers
作者:Jianfu Ding、Zhao Li、Zhe Cui、Gilles P. Robertson、Naiheng Song、Xiaomei Du、Ludmila Scoles
DOI:10.1002/pola.24774
日期:2011.8.1
cyclepentadithiophene have been prepared. The polymers show a broader light absorption in film than in solution attributing to the large distribution of effective conjugation length of polymer chain due to the existence of both cis‐ and trans‐orientations of the 3‐hexylthiophene units in the planar polymer chain in solid state. Although the polymers show a narrow band gap and a deep HOMO level, which
我们首次证明了3,6-bis(3-hexylthien-2-yl)s噻吩环的3位具有己基的四嗪(TTz)可以使用改良的硫辅助Pinner合成法制备。尽管己基会对四嗪环形成反应产生很大的空间位阻,并且在传统条件下该反应仅产生痕量目标产物,但在无水肼的改良反应条件下(68℃),该反应的收率仍可达到65%。制备了生成的TTz和己基或2-乙基己基取代的环戊二噻吩的两种新共聚物。聚合物在薄膜中的吸光度大于溶液中的吸光度,这归因于固态链状平面聚合物链中3-己基噻吩单元同时存在顺式和反式取向,这是由于聚合物链有效共轭长度的分布较大。所得的太阳能电池装置的V oc),装置的性能不如预期的好。这归因于顺式和反式构象沿着聚合物链的随机分布。©2011 Wiley Periodicals,Inc. J Polym Sci A部分:Polym Chem,2011年。