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|1. (WO2018119780) WEAK ELECTRON-DONATING BUILDING BLOCKS, COPOLYMERS THEREOF AND RELATED DEVICES|
|Applicants:||SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
|Title:||WEAK ELECTRON-DONATING BUILDING BLOCKS, COPOLYMERS THEREOF AND RELATED DEVICES|
A compound having a formula (I) is provided, in which each of A and B is independently and respectively one of formula (II) and (III), given that at least one of A and B comprise an alkynyl, each of R1 and R2 is independently and respectively a C1-20 alkyl, a thienyl or a phenyl, and each of the thienyl and the phenyl is optionally and independently substituted with a C1-20 alkyl. An organic semiconductor polymer formed by an electron donor unit and an electron acceptor unit, a film formed by the organic semiconductor polymer, and a semiconductor device are also provided.