石墨烯基复合材料在光催化中的应用  

Application of graphene composite materials in photocatalysis

作　　者：杭智军[1] 韩生[1] 于娜[1] 何慧红[1] 侯梅芳[1] 张敏敏[1] 

机构地区：[1]上海应用技术学院化学与环境工程学院,上海201418

出　　处：《化工新型材料》2015年第7期200-202,共3页New Chemical Materials

基　　金：国家自然基金(41171250);上海市教委科技创新重点项目(11ZZ179);上海市教委重点学科建设(J51503);曙光计划项目(11SG54);联盟计划(LM201221);联盟计划(LM201344);助推计划(12ZT17);上海市人才发展基金(201335)

摘　　要：石墨烯及其衍生物氧化石墨烯均有良好的物理和化学性质,其巨大的表面积和良好的共轭结构,使其成为改善光催化技术的优良基体。利用石墨烯与半导体复合制备新型复合光催化剂能够避免或改善半导体光催化剂的不足,例如,禁带较宽和对可见光不敏感等缺点。综述了石墨烯复合材料在降解有机污染物、水制氢、催化有机合成、催化CO2转化和催化杀菌等光催化中的应用。提出了通过改进复合物的制备技术以保持石墨烯的片层结构,以及开发多元的复合材料将成为该领域的重点研究之一。Owning to their high surface and good conjugated structure,the novel and unique physical and chemical properties of graphene and graphene oxide,became an excellent substrate to improve photocatalytic technology.The new composite photocatalysts prepared with graphene and semiconductor able to avoid or ameliorate the deficiencies of semiconductor photocatalysts,for example,broadly band gap and insensitive to visible light,et al.The photocatalytic applications of graphene composite：degradation of organic pollutants,splitting of water to evolve hydrogen,catalytic organic synthesis,catalytic conversion of CO2 and catalysis sterilizationwere reviewed in detail.It was predicted that the lamellar structure of grapheme well be maintain by improving the preparative technique of the composite and developing the multi-composite materials will be become one of the key research in the field.

关 键 词：石墨烯 半导体 光催化 复合材料 

分 类 号：TQ127.11[化学工程—无机化工] TB33[一般工业技术—材料科学与工程]