石墨烯-有机物复合光催化材料及其应用

Applications of graphene-organic compound photocatalytic materials

光催化技术以其绿色安全的特点在能源和环境领域显示出巨大的应用潜力。近年来,有机物光催化剂以其可见光响应及成本较低等优势逐渐进入人们的视野,但也存在一些不足,而石墨烯材料的大比表面积、高载流子迁移率等性质,在催化剂构建领域具有天然优势。本文针对石墨烯-有机物半导体光催化材料,在总结石墨烯在材料中的基本作用的基础上,介绍了石墨烯/共轭聚合物、石墨烯/金属有机骨架、石墨烯/染料3种典型的石墨烯-有机物光催化材料及多种合成方法。进一步阐述了此类材料在能源和环境领域,包括光解水析氢、CO_(2)还原、有机物降解、重金属离子还原及细菌灭活等领域的应用。最后对石墨烯-有机物复合光催化材料的未来发展提出了建议。

The great application potential of photocatalysis technology with green and safe characteristics has been shown on the field of energy and environment.Over recent years,the organic photocatalysts have been familiar with their advantages of visible light response,low cost and also some shortcomings.Graphene materials which surface area was large and high carrier mobility have natural advantages in the field of catalyst construction.The graphene-organic semiconductor as an photocatalysis materials,this work introduced three typical grapheneorganic photocatalysis materials:Graphene/conjugated polymer,graphene/metal organic framework and graphene/dye and various synthesis methods.This work have discussed some application fields of energy and environment,including photocatalysis of water for hydrogen evolution,CO_(2) reduction,organic matter degradation,heavy metal ion reduction and bacterial inactivation etc.Some suggestions for future development of the graphene materials with organic compound photocatalyst are given.