▎ 摘　　要

NOVELTY - This utility model discloses an air ultraviolet sterilizing purifier, comprising a shell, a device and light catalyzing device, a device and a light catalytic device positoin b inner shell, a. positoin b. light catalytic device, a shell provided with an air inlet and an air outlet, a light catalytic device comprises light source and light catalytic film, the light source is located inner light catalytic film, the light catalytic film comprises, three-dimensional graphene, TiO2 nano thin film layer and nano-silver layer, the three-dimensional graphene layer the substrate layer a nano thin film layer TiO2 the middle, the nano-silver layer is TiO2 nano thin film layer of the upper. This utility model uses characteristic of three-dimensional graphene, enhanced TiO2 nano thin film layer is light catalytic efficiency and effective purification in air of formaldehyde equal harmful gas, and a kill harmful bacteria in air.