Dendritic BiVO4 decorated with MnOx co-catalyst as an efficient hierarchical catalyst for photocatalytic ozonation | |
Yang, Jin1,2; Liu, Xuelian1,2; Cao, Hongbin1,2; Shi, Yanchun2; Xie, Yongbing2; Xiao, Jiadong2,3 | |
刊名 | FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING |
2019-03-01 | |
卷号 | 13期号:1页码:185-191 |
关键词 | manganese oxide bismuth vanadium tetraoxide photocatalytic ozonation hydroxyl radical co-catalyst |
ISSN号 | 2095-0179 |
DOI | 10.1007/s11705-018-1713-z |
英文摘要 | An appropriate co-catalyst can significantly promote the photocatalytic efficacy, but this has been seldom studied in the visible-light photocatalysis combined with ozone, namely photocatalytic ozonation. In this work, a dendritic bismuth vanadium tetraoxide (BiVO4) material composited with highly dispersed MnOx nanoparticles was synthesized, and its catalytic activity is 86.6% higher than bare BiVO4 in a visible light and ozone combined process. Catalytic ozonation experiments, ultraviolet- visible (UV-Vis) diffuse reflectance spectra and photoluminescence spectra jointly indicate that MnOx plays a triple role in this process. MnOx strengthens the light adsorption and promotes the charge separation on the composite material, and it also shows good activity in catalytic ozonation. The key reactive species in this process is $OH, and various pathways for its generation in this process is proposed. This work provides a new direction of catalyst preparation and pushes forward the application of photocatalytic ozonation in water treatment. |
资助项目 | Beijing Natural Science Foundation[8172043] ; National Science Fund for Distinguished Young Scholars of China[51425405] ; Chinese Academy of Sciences[ZDRW-ZS-2016-5] |
WOS关键词 | VISIBLE-LIGHT ; QUANTUM EFFICIENCY ; SUPER SYNERGY ; PERFORMANCE ; MECHANISMS ; MORPHOLOGY ; G-C3N4 ; ROLES |
WOS研究方向 | Engineering |
语种 | 英语 |
出版者 | SPRINGER |
WOS记录号 | WOS:000460491000017 |
资助机构 | Beijing Natural Science Foundation ; National Science Fund for Distinguished Young Scholars of China ; Chinese Academy of Sciences |
内容类型 | 期刊论文 |
源URL | [http://ir.ipe.ac.cn/handle/122111/28326] |
专题 | 中国科学院过程工程研究所 |
通讯作者 | Xie, Yongbing |
作者单位 | 1.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China 2.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, CAS Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, Jin,Liu, Xuelian,Cao, Hongbin,et al. Dendritic BiVO4 decorated with MnOx co-catalyst as an efficient hierarchical catalyst for photocatalytic ozonation[J]. FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,2019,13(1):185-191. |
APA | Yang, Jin,Liu, Xuelian,Cao, Hongbin,Shi, Yanchun,Xie, Yongbing,&Xiao, Jiadong.(2019).Dendritic BiVO4 decorated with MnOx co-catalyst as an efficient hierarchical catalyst for photocatalytic ozonation.FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,13(1),185-191. |
MLA | Yang, Jin,et al."Dendritic BiVO4 decorated with MnOx co-catalyst as an efficient hierarchical catalyst for photocatalytic ozonation".FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING 13.1(2019):185-191. |
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