▎ 摘　　要

NOVELTY - Preparation of laser-induced surface plasmon resonance (SPR)-enhanced nano-bismuth three-dimensional (3D)-porous graphene composite photoelectrode based on bismuth ion-doped polysulfone polymer film comprises dissolving bismuth ion precursor needed for preparing laser-induced nano bismuth into N,N-dimethyl formamide (DMF) and dimethyl sulfoxide (DMSO); adding polysulfone polymer for continuously magnetic stirring until it is dissolved to obtain viscous solution to surface of indium tin oxide conductive glass; vacuum drying; forming bismuth ion-polysulfone polymer composite film on surface of indium tin oxide conductive glass; and using carbon dioxide infrared laser engraving machine to engrave pre-designed light electrode pattern to surface of bismuth ion-polyether sulfone composite film to prepare SPR enhanced nano-bismuth-3D-porous graphene composite photo-electrode that can widen light response range of cadmium sulfide semiconductor. USE - Laser-induced preparation of nano-bismuth surface plasma enhanced composite photo-electrode used in photoelectric catalysis, environment treatment and biological sensing. ADVANTAGE - The laser-induced SPR-enhanced nano-bismuth-3D-porous graphene plasma enhanced composite photoelectric material can be used for expanding light response range of semiconductor. The photo-thermal effect of carbon dioxide laser, local instantaneous temperature of bismuth ion-doped polysulfone polymer film is increased to close to 3000degrees Celsius.