▎ 摘　　要

NOVELTY - Preparation of platinum-bismuth-phosphorus oxide/graphene (PtOBiPO4)/GR efficient visible light catalytic composite nanofibers comprises adding platinum acid compound to deionized water and stirring to prepare platinum precursor fluid; adding graphene oxide into solvent and polyvinylpyrrolidone, mixing, stirring, adding platinum precursor fluid and bismuth salt, slowly adding phosphoric acid, and mixing under water bath condition to form spinning solution; cooling and spinning; and calcining at 200-30 degrees C. USE - Method for preparing PtOBiPO4/GR efficient visible light catalytic composite nanofibers (claimed) used for photocatalytic degradation of organic pollutants. ADVANTAGE - The visible light catalytic composite nanofiber has high catalytic degradation effect, simple preparation, low production cost, high purity, 119-137 m2/g specific surface area, good thermal stability, and excellent optical performance. DETAILED DESCRIPTION - Preparation of platinum-bismuth-phosphorus oxide/graphene (PtOBiPO4)/GR efficient visible light catalytic composite nanofibers comprises adding platinum acid compound, preferably chloroplatinic acid, xenon hexafluoroplatinate, or platinum hexafluoride acid to deionized water and stirring to prepare platinum precursor fluid; adding graphene oxide into solvent and polyvinylpyrrolidone, mixing, stirring, adding platinum precursor fluid and bismuth salt, preferably bismuth nitrate, slowly adding phosphoric acid, and mixing under water bath condition to form spinning solution; cooling and spinning; and calcining at 200-30 degrees C.