Making Benzotrithiophene a Stronger Electron Donor

被引:50
作者
Guo, Xin [1 ]
Wang, Suhao [1 ]
Enkelmann, Volker [1 ]
Baumgarten, Martin [1 ]
Muellen, Klaus [1 ]
机构
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
关键词
FIELD-EFFECT TRANSISTORS; POLYMERS; OLIGOTHIOPHENES; MOBILITY;
D O I
10.1021/ol2025372
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new member of the benzotrithiophene family, benzo[2,1-b:-3,44:5,6-c '']trithiophene (3a), and its alkyl substituted derivatives (3b-e) were synthesized and characterized. Their photophyscial, electrochemical, crystallographic, and self-assembly properties were described. Thin film structures varied widely with the exact nature of the alkyl substitution pattern, with decreasing self-assembly propensity with increasing alkyl chain length. The high HOMO levels and the coplanarity of these molecules show their potential as organic semiconductors and as donor components in donor-acceptor copolymers.
引用
收藏
页码:6062 / 6065
页数:4
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