Alkoxy-Substituted Anthra[1,2-<i>c</i>:5,6-<i>c</i>′]bis([1,2,5]thiadiazole) (ATz): A New Electron-Acceptor Unit in the Semiconducting Polymers for Organic Electronics
作者:Hiroki Mori、Shuhei Nishinaga、Ryosuke Takahashi、Yasushi Nishihara
DOI:10.1021/acs.macromol.8b01230
日期:2018.7.24
A new type of thiadiazole-based acceptor unit and its donor–acceptor copolymers were synthesized and characterized to develop the high-performance semiconducting polymers for organic field-effect transistors (OFETs) and organic photovoltaics (OPVs). We successfully synthesized an anthra[1,2-c:5,6-c′]bis([1,2,5]thiadiazole) (ATz) core and ATz-quaterthiophene copolymers. These copolymers possess a wide
合成了一种新型的基于噻二唑的受体单元及其供体-受体共聚物,并对其进行了表征,以开发用于有机场效应晶体管(OFET)和有机光伏(OPV)的高性能半导体聚合物。我们成功地合成了一种蒽[1,2- c:5,6- c']双([[1,2,5]噻二唑)(ATz)核心和ATz-四噻吩共聚物。这些共聚物的能隙较宽,约为。与典型的噻二唑-低聚噻吩共聚物相比,具有1.8 eV的热能能级和-5.4 eV的深能级。这种弱的电子接受性质可能是由于存在具有强供电子能力的烷氧基而使ATz核的电子亲和力降低。尽管分子顺序,薄膜结构和/或无定形结构不利,ATz共聚物仍表现出良好的半导体性能,空穴迁移率高达0.03 cm 2 V –1 s –1,光伏响应的PCE高达5.7%。