▎ 摘　　要

NOVELTY - Preparation of silver phosphate/graphene nano-composite material comprises mixing solid silver nitrate precursor solution and graphene oxide dispersion liquid, stirring, dripping mixed solution, washing, vacuum drying in rear in absolute ethyl alcohol, ultrasonically dispersing to obtain 1-5 mg/ml precursor solution B; and magnetically stirring under visible light illumination for 10-30 minutes, centrifugally separating, washing using deionized water, and absolute ethyl alcohol, centrifuging and cleaning multi-times, and drying in vacuum to obtain silver/graphite nano-composite material. USE - Method of preparation of silver phosphate/graphene nano-composite material (claimed). DETAILED DESCRIPTION - Preparation of silver phosphate/graphene nano-composite material comprises: (A) adding graphene oxide powder in deionized water, ultrasonically dispersing to obtain graphene oxide dispersion; (B) adding disodium hydrogen phosphate solid in deionized water, ultrasonically dispersing to obtain disodium hydrogen phosphate solution of 0.01-0.1 mol/L; (C) mixing solid silver nitrate precursor solution and graphene oxide dispersion liquid with concentration of silver nitrate of 0.03-0.3 mol/L, magnetically stirring to obtain precursor solution A, at mol ratio of disodium hydrogen phosphate and silver nitrate of 1:3, dripping mixed solution, magnetic stirring for 0.5-2 hours at room temperature, and centrifugally separating, using deionized water, absolute ethyl alcohol to repeatedly washing multi-time, vacuum drying in rear in absolute ethyl alcohol, ultrasonically dispersing to obtain 1-5 mg/ml precursor solution B; and (D) magnetically stirring under visible light illumination for 10-30 minutes, centrifugally separating, washing using deionized water, and absolute ethyl alcohol, centrifuging and cleaning multi-times, and drying in vacuum to obtain silver/graphite nano-composite material.