▎ 摘　　要

NOVELTY - Zinc oxide-based heterojunction photo-catalytic composite material comprises a single layer reduced graphene oxide (rGO) as the elementary material, where the elementary material is grafted with titanium oxide nano particles, zinc oxide nano-particle and ferric oxide nanoparticle zinc oxide @titanium oxide-reduced graphene oxide/ferric oxide nano material, the x is 0.05-0.45. USE - Zinc oxide-based heterojunction photo-catalytic composite material used for efficient photo-catalytic treatment of neonicotinoid pesticide pollutant (claimed). ADVANTAGE - The zinc oxide-based heterojunction photo-catalytic composite material has visible light capable of absorbing full visible spectrum, convenient recycling and reusing, which is suitable for efficient photo-catalytic treatment of neonicotinoid pesticide pollutant. DETAILED DESCRIPTION - Zinc oxide-based heterojunction photo-catalytic composite material comprises a single layer reduced graphene oxide (rGO) as the elementary material, where the elementary material is grafted with titanium oxide (TiO2-x) nano particles, zinc oxide(ZnO1-x) nanoparticle and ferric oxide nanoparticle zinc oxide @titanium oxide-reduced graphene oxide/ferric oxide nano material (ZnO 1-x@TiO2-x-rGo/Fe3O4), the x is 0.05-0.45. An INDEPENDENT CLAIM is included for a method for preparing a zinc oxide-based heterojunction photo-catalytic composite material, involving: a. preparing titanium oxide sol; b. preparing titanium oxide-reduced graphene oxide/ferric oxide suspension; c. adding the zinc acetate dissolved in the distilled water into the titanium oxide-reduced graphene oxide/ferric oxide suspension; d. using sodium hydroxide solution to adjust the pH value to 12, performing the first hydrothermal reaction; and e. performing the first post-treatment to the reaction system after the first hydrothermal reaction to obtain product.