An object of the present invention is to provide a novel fullerene derivative usable in n-type semiconductor materials for organic thin-film solar cells and the like. The object is achieved by a fullerene derivative represented by formula (1)
wherein R1 represents aryl optionally substituted with at least one substituent, R2 represents an organic group, R3 represents an organic group, with the proviso that at least one of R2 and R3 is alkyl optionally substituted with at least one substituent or alkyl ether optionally substituted with at least one substituent, R4 represents hydrogen or an organic group, and a ring A represents a fullerene ring.
本发明的目的是提供一种新型
富勒烯衍
生物,可用于有机薄膜太阳能电池等的 n 型半导体材料。由式(1)表示的
富勒烯衍
生物可实现上述目的
其中 R1 代表至少被一个取代基任选取代的芳基,R2 代表有机基团,R3 代表有机基团,但 R2 和 R3 中至少有一个是至少被一个取代基任选取代的烷基或至少被一个取代基任选取代的烷基醚,R4 代表氢或有机基团,环 A 代表
富勒烯环。