▎ 摘　　要

NOVELTY - Preparing permanent magnet loaded three-dimensional graphene-based visible light catalytic material, comprises (i) cleaning three-dimensional porous nickel foam, performing chemical vapor deposition to obtain three-dimensional continuous graphene/nickel foam, (ii) preparing bismuth oxychloride-bismuth subcarbonate precursor by solvothermal method, (iii) loading bismuth oxychloride-bismuth subcarbonate on the surface of three-dimensional continuous graphene/nickel foam by hydrothermal method to obtain bismuth oxychloride-bismuth subcarbonate /three-dimensional continuous graphene/nickel foam composite material, and (iv) directly transferring the bismuth oxychloride-bismuth subcarbonate /three-dimensional continuous graphene/nickel foam composite material to permanent magnet by using the magnetic properties of nickel, to obtain permanent magnet loaded three-dimensional graphene-based visible light catalytic material with efficient photocatalytic effect. USE - The method is useful for preparing permanent magnet loaded three-dimensional graphene-based visible light catalytic materials. ADVANTAGE - The catalytic material has macroscopic porous structure with a certain strength, which overcomes the problems that discrete photocatalytic particles are difficult to use and recycle; the high carrier transfer effect of three-dimensional graphene greatly improves the photoelectric-hole separation ability of bismuth oxychloride-bismuth subcarbonate; the Lorentz effect of magnetic field on electrons improves the photocatalytic ability of bismuth oxychloride-bismuth subcarbonate. DETAILED DESCRIPTION - Preparing permanent magnet loaded three-dimensional graphene-based visible light catalytic material, comprises (i) cleaning three-dimensional porous nickel foam, drying, placing in tube furnace for chemical vapor deposition to grow three-dimensional continuous graphene to obtain three-dimensional continuous graphene/nickel foam, (ii) preparing bismuth oxychloride-bismuth subcarbonate precursor by solvothermal method, (iii) loading bismuth oxychloride-bismuth subcarbonate on the surface of three-dimensional continuous graphene/nickel foam by hydrothermal method to obtain bismuth oxychloride-bismuth subcarbonate /three-dimensional continuous graphene/nickel foam composite material, and (iv) directly transferring the bismuth oxychloride-bismuth subcarbonate /three-dimensional continuous graphene/nickel foam composite material to permanent magnet by using the magnetic properties of nickel, to obtain permanent magnet loaded three-dimensional graphene-based visible light catalytic material with efficient photocatalytic effect.