Provided are an organic semiconductor material, organic semiconductor thin film and organic thin-film transistor, which contain a perylene tetracarboxylic diimide derivative represented by the following formula (1):
In the formula (1), R1 means a linear or branched alkyl group having from 1 to 20 carbon atoms, R2 means a linear or branched alkyl group having from 2 to 6 carbon atoms, R3 means a linear or branched alkyl group having from 2 to 6 carbon atoms, X1 and X2 each mean a heteroatom selected from an oxygen atom, sulfur atom or selenium atom, Y means a halogen atom or cyano group, m stands for a number of from 0 to 4, and n stands for a number of from 0 to 2. Further, the alkyl groups represented by R1 and R2 may each be substituted with one or more fluorine atoms.
本发明提供了一种有机半导体材料、有机半导体薄膜和有机薄膜晶体管,它们含有由下式(1)表示的过四
羧酸二
亚胺衍
生物:
式(1)中,R1 指具有 1 至 20 个
碳原子的直链或支链烷基,R2 指具有 2 至 6 个
碳原子的直链或支链烷基,R3 指具有 2 至 6 个
碳原子的直链或支链烷基,X1 和 X2 分别指选自
氧原子、
硫原子或
硒原子的杂原子,Y 指卤素原子或
氰基,m 代表 0 至 4 的数字,n 代表 0 至 2 的数字。此外,R1 和 R2 所代表的烷基可分别被一个或多个
氟原子取代。