▎ 摘　　要

NOVELTY - Pyrimidine derivatives covalently functionalized graphene oxide nonlinear optical material (I) are new, where the material is composed of organic-inorganic covalent hybrid functional material, graphite oxide and pyrimidine derivative of 2-hydroxy-4,6-di(2-butoxy-4-(diethylamino)styryl)pyrimidine. USE - (I) are useful in optical sensing device and laser eye protection (claimed). ADVANTAGE - (I) have good nonlinear optical absorption and optical confinement effect at 532 nm under 4ns pulse laser irradiation (claimed). DETAILED DESCRIPTION - Pyrimidine derivatives covalently functionalized graphene oxide nonlinear optical material of formula (I) are new, where the material is composed of organic-inorganic covalent hybrid functional material, graphite oxide and pyrimidine derivative of 2-hydroxy-4,6-di(2-butoxy-4-(diethylamino)styryl)pyrimidine.