【摘 要】
：
In this paper, a new D-A copolymer, PFDBCPDT, which consists of benzo-2,1,3-thiadiazole as acceptor units and cyclopentadithiophene and fluorene as donor units,
【机 构】
：
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chi
【出 处】
：
Chinese Journal of Polymer Science
论文部分内容阅读
In this paper, a new D-A copolymer, PFDBCPDT, which consists of benzo-2,1,3-thiadiazole as acceptor units and cyclopentadithiophene and fluorene as donor units, was synthesized. The thermal, electrochemical, photophysical and photovoltaic properties of PFDBCPDT were studied. PFDBCPDT showed a low optical band gap of 1.84 eV, and relatively low HOMO level of 5.69 eV. The best device performance was obtained by PFDBCPDT/PC61 BM (1:3) with 0.5 vol% DIO. The device exhibited a power conversion efficiency of 3.06%, with a relatively high open circuit voltage of 0.87 eV.
In this paper, a new DA copolymer, PFDBCPDT, which consists of benzo-2,1,3-thiadiazole as acceptor units and cyclopentadithiophene and fluorene as donor units, was synthesized. The thermal, electrochemical, photophysical and photovoltaic properties of PFDBCPDT were studied . PFDBCPDT showed a low optical band gap of 1.84 eV, and relatively low HOMO level of 5.69 eV. The device was found by PFDBCPDT / PC61 BM (1: 3) with 0.5 vol% DIO. The device exhibited a power conversion efficiency of 3.06% with a relatively high open circuit voltage of 0.87 eV.
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