Low band gap benzothiophene-thienothiophene copolymers with conjugated alkylthiothieyl and alkoxycarbonyl cyanovinyl side chains for photovoltaic applications.

Authors :: Feng K
Xu X
Li Z
Li Y
Li K
Yu T
Peng Q
Source :: Chemical communications (Cambridge, England) [Chem Commun (Camb)] 2015 Apr 14; Vol. 51 (29), pp. 6290-2.
Publication Year :: 2015
Abstract: Alkylthiothieyl substituted benzothiophene (BDT) and alkoxycarbonyl cyanovinyl modified thienothiophene (TT) were copolymerized to obtain a new two dimensional low band gap polymer PBDTTT-S-CN, which exhibited a promising efficiency of 7.0% in organic solar cells.

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