卤氧化铋/石墨烯复合光催化剂的研究进展

Advances in Bismuth Oxyhalides/Graphene Composite Photocatalysts

卤氧化铋/石墨烯是一种具有良好可见光催化活性的复合光催化材料,成为众多学者的研究热点。综述了水热法、溶剂热法、沉淀法和超声/微波辅助法等合成方法在卤氧化铋/石墨烯复合催化剂制备中的应用,总结了石墨烯/卤氧化铋在废气净化和废水处理中的应用,并从制备方法改进、应用领域拓展、催化活性提高等方面对卤氧化铋/石墨烯复合催化剂的研究进行了展望。

Bismuth oxyhalides/graphene is a kind of photocatalytic material with good visible light catalytic activity,which has become a research hotspot for many scholars.The synthesis methods of bismuth oxyhalides/graphene,for example hydrothermal method,solvothermal synthesis technique,precipitation method and ultrasonic/microwave auxiliary method,were reviewed.The application of bismuth oxyhalides/graphene composite catalyst in exhaust gas purification and wastewater treatment was discussed.The promising research trends of bismuth oxyhalides/graphene photocatalysts have been prospected from three aspects:improvement of preparation method,expansion of application objects and promotion of photocatalytic activity.