An improved layered photoresponsive device comprised of a supporting substrate, a photogenerating layer, and in contact with the photogenerating layer an electron transporting layer comprised of compounds of the following formula:
wherein X and Y are cyano groups or alkoxycarbonyl groups A,B, and W are electron withdrawing groups independently selected from the group consisting of acyl, alkoxycarbonyl, nitro, alkylaminocarbonyl, and derivatives thereof, m is a number of from 0 to 2, and n is the number 0 or 1.
一种改进的层状光致发光器件,由支撑基底、光生成层和与光生成层接触的电子传输层组成,电子传输层由下式化合物构成:
其中 X 和 Y 是
氰基或烷氧羰基 A、B 和 W 是独立地选自由酰基、烷氧羰基、硝基、烷基
氨基羰基及其衍
生物组成的组的电子汲取基团,m 是 0 至 2 的数字,n 是 0 或 1 的数字。