▎ 摘　　要

NOVELTY - A bismuth tungstate/titania/reduced graphene oxide loaded visible light-responsive composite antibacterial fabric is prepared by dissolving sodium hydroxide and peregal O dissolved in water, soaking cotton fabric, ultrasonicating to obtain pretreated cotton fabric, dissolving sodium tungstate dihydrate in deionized water, dispersing to obtain sodium tungstate solution, dissolving bismuth salt in absolute ethanol, dispersing, mixing with sodium tungstate solution to obtain mixed solution, adding tetrabutyl titanate and weak acid, adjusting pH value with alkali solution, stirring, carrying out hydrothermal reaction, filtering, washing, drying, calcining, grinding, obtaining bismuth tungstate/titania powder, dispersing with reduced graphene oxide in absolute ethanol, stirring, performing hydrothermal reaction, filtering, washing, drying, grinding, immersing together with pretreated cotton fabric in deionized water, adding polyethylene glycol 2000, stirring, and drying. USE - A method for preparing bismuth tungstate/titania/reduced graphene oxide loaded visible light-responsive composite antibacterial fabric. ADVANTAGE - The product has high-efficiency sterilization under visible light conditions, has strong continuous sterilizing ability, suitable for simple cleaning cycle, and has 93% bacterial effect. DETAILED DESCRIPTION - A bismuth tungstate/titania/reduced graphene oxide loaded visible light-responsive composite antibacterial fabric is prepared by dissolving sodium hydroxide and peregal O dissolved in water to prepare mixed solution, soaking cotton fabric, ultrasonicating to obtain pretreated cotton fabric, dissolving sodium tungstate dihydrate in deionized water, dispersing to obtain sodium tungstate solution, dissolving bismuth salt in absolute ethanol, dispersing to obtain bismuth salt suspension, mixing with sodium tungstate solution to obtain mixed solution, adding tetrabutyl titanate and weak acid, adjusting pH value with alkali solution, stirring, carrying out hydrothermal reaction, filtering, washing, drying, calcining, grinding, obtaining bismuth tungstate/titania powder, dispersing with reduced graphene oxide in absolute ethanol, stirring, performing hydrothermal reaction, filtering, washing, drying, grinding, obtaining bismuth tungstate/titania/reduced graphene oxide composite material, immersing together with pretreated cotton fabric in deionized water, adding polyethylene glycol 2000, stirring, and drying.