摘要
BiVO_4纳米异质结光催化剂因稳定性能好、无毒、禁带宽度小、在水溶液中具有高析氧活性等,成为当前研究的热点之一。本文综述了现阶段BiVO_4纳米异质结材料的研究进展,着重介绍了BiVO_4纳米异质结材料的类型、结构特点,并根据其结构阐述了电子-空穴的移动机理。同时,阐述了BiVO_4纳米异质结光催化材料在应用领域取得的成果。最后,对BiVO_4纳米异质结材料的研究方向进行了展望,期望能为研发具有优异光催化性能的BiVO_4异质结提供参考。
Currently,BiVO 4-based heterojunction photocatalysts have become one of the most popular research subjects due to their good stability,non-toxicity,narrow band gap,high oxygen evolution activity in aqueous solution and so forth.In this paper,the research progress of BiVO 4-based heterojunction materials is reviewed.The types and structural characteristics of BiVO 4-based heterojunction materials are introduced with emphases,and the mechanism of electron-hole migration according to the structure is expounded.Meanwhile,the application achievements of BiVO 4-based heterojunction photocatalytic materials are elaborated.The research direction of BiVO 4-based heterojunction materials is prospected,which is expected to provide a reference for the development of BiVO 4-based heterostructures with excellent photocatalytic properties.
作者
董虹星
刘秋平
贺跃辉
DONG Hongxing;LIU Qiuping;HE Yuehui(College of Electromechanical Engineering,Hangzhou Polytechnic,Hangzhou 311402;College of Chemical Engineering, Zhejiang University of Technology,Hangzhou 310014;Powder Metallurgy Research Institute, Central South University,Changsha 410083)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2018年第19期3358-3367,共10页
Materials Reports
基金
浙江省自然科学基金(LQ16E020002)
杭州市131人才资助项目
关键词
异质结
BIVO4
光催化性能
改性
核壳结构
heterojunction,BiVO 4,photocatalytical properties,modification,core-shell structure