Introducing silicon alkyl to azo -- dye may upgrade photorefracive effect of organic photorefractive ma-terials in which azo -- dyes are used as the light induced chromophore molecules.

• 在偶氮染料中引入硅烷基,将进一步提高以偶氮染料为非线性光生色分子的有机光折变材料的光折变效应。