Polyoxometalates/TiO2 Fenton-like photocatalysts with rearranged oxygen vacancies for enhanced synergetic degradation

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	Polyoxometalates/TiO2 Fenton-like photocatalysts with rearranged oxygen vacancies for enhanced synergetic degradation
	An, Xiaoqiang ; Tang, Qingwen ; Lan, Huachun ; Liu, Huijuan ; Qu, Jiuhui
刊名	APPLIED CATALYSIS B-ENVIRONMENTAL
	2019-05-05
卷号	244 页码:407-413
关键词	Keyword Titanium dioxide Oxygen vacancy rearrangement Fenton-like reaction Polyoxometalates Photocatalytic reaction
ISSN号	0926-3373
英文摘要	Oxygen vacancy modulation has emerged as a prevalent strategy to improve the performance of heterogeneous catalysts. By far, the impact of oxygen vacancy rearrangement on the efficiency of Fenton-like reaction remains largely unknown. In this paper, Fe-containing polyoxometalates were coupled with defect-rearranged TiO2 to construct defective Fenton-like photocatalysts. Experimental characterizations revealed that defect rearrangement facilitated the interfacial transfer of electrons from TiO2 to polyoxometalate molecules. Fenton-like photocatalysts with rearranged defects exhibited 5 and 3.5 times higher activity for the synergetic degradation of toxic dye and 5-Sulfosalicylic acid than pristine TiO2. This enhancement was ascribed to the beneficial role of oxygen vacancy modulation for activating oxygen and H2O2 molecules into O-center dot(2)- and (OH)-O-center dot radicals. Our work provides new opportunities for exploring efficient Fenton-like photocatalysts for environmental remediation.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/43271]
专题	生态环境研究中心_水污染控制实验室
作者单位	1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China 2.Guilin Univ Technol, Coll Environm Sci & Engn, Guilin 541006, Peoples R China 3.Tsinghua Univ, Sch Environm, Ctr Water & Ecol, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
推荐引用方式 GB/T 7714	An, Xiaoqiang,Tang, Qingwen,Lan, Huachun,et al. Polyoxometalates/TiO2 Fenton-like photocatalysts with rearranged oxygen vacancies for enhanced synergetic degradation[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2019,244:407-413.
APA	An, Xiaoqiang,Tang, Qingwen,Lan, Huachun,Liu, Huijuan,&Qu, Jiuhui.(2019).Polyoxometalates/TiO2 Fenton-like photocatalysts with rearranged oxygen vacancies for enhanced synergetic degradation.APPLIED CATALYSIS B-ENVIRONMENTAL,244,407-413.
MLA	An, Xiaoqiang,et al."Polyoxometalates/TiO2 Fenton-like photocatalysts with rearranged oxygen vacancies for enhanced synergetic degradation".APPLIED CATALYSIS B-ENVIRONMENTAL 244(2019):407-413.