UV-induced simultaneous removal of GO and U(VI): The role of aggregation, photo-transformation, adsorption and reduction

doi:10.1016/j.colsurfa.2022.129151

	UV-induced simultaneous removal of GO and U(VI): The role of aggregation, photo-transformation, adsorption and reduction
	Chen, Lili 2,3; Alharbi, Njud S.1; Chen, Changlun 2; Ren, Xuemei 2
刊名	COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
	2022-09-05
卷号	648
关键词	Graphene oxide Ultraviolet irradiation Photo-degradation U(VI) reduction
ISSN号	0927-7757
DOI	10.1016/j.colsurfa.2022.129151
通讯作者	Ren, Xuemei(renxm1985@163.com)
英文摘要	The photo-transformation of graphene oxide (GO) nanosheet and the photo-reduction of uranyl ion (U(VI)) have been widely studied separately. However, little attention has been given to the simultaneous photo-degradation of GO nanosheets and the photochemical reduction of U(VI) under ultraviolet (UV) illumination. In this study, the relationships among the UV-induced degradation of GO, the U(VI)-induced aggregation of GO, the adsorption of U(VI) on GO, and the UV-induced reduction of U(VI) as well as their roles in the UV-induced simultaneous photo-degradation of GO and photo-reduction of U(VI) were elucidated. These results indicated that the UVinduced transformation of GO occurred more quickly than the adsorption of U(VI) on GO. The presence of low concentration of U(VI) could promote the UV-induced transformation of GO at the initial stage, while UV irradiation weaken the efficiency of U(VI) ions in destabilizing GO nanosheets at the subsequent stage. Our findings are crucial for developing a highly efficient method to accomplish the simultaneous removal of GO and U(VI) in the actual environmental cleanup.
资助项目	National Natural Science Foundation of China[21976184] ; National Natural Science Foundation of China[12027813] ; Youth Innovation Promotion Association CAS[2019438] ; Project of State Key Laboratory of Radiation Medicine and Protection, Soochow University[GZK1201913] ; Research Fund Program of Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources[2017B030314182] ; China Postdoctoral Science Foundation ; Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah, Saudi Arabia[KEP-PhD: 65-247-1443]
WOS关键词	GRAPHENE OXIDE ; DEGRADATION ; NANOSHEETS ; MECHANISM ; TOXICITY ; INSIGHT
WOS研究方向	Chemistry
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000804109900003
资助机构	National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; Project of State Key Laboratory of Radiation Medicine and Protection, Soochow University ; Research Fund Program of Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources ; China Postdoctoral Science Foundation ; Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah, Saudi Arabia
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/131121]
专题	中国科学院合肥物质科学研究院
通讯作者	Ren, Xuemei
作者单位	1.King Abdulaziz Univ, Fac Sci, Dept Biol Sci, Jeddah 21589, Saudi Arabia 2.Chinese Acad Sci, Inst Plasma Phys, CAS Key Lab Photovolta & Energy Conservat Mat, HFIPS, Box 1126, Hefei 230031, Peoples R China 3.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Chen, Lili,Alharbi, Njud S.,Chen, Changlun,et al. UV-induced simultaneous removal of GO and U(VI): The role of aggregation, photo-transformation, adsorption and reduction[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2022,648.
APA	Chen, Lili,Alharbi, Njud S.,Chen, Changlun,&Ren, Xuemei.(2022).UV-induced simultaneous removal of GO and U(VI): The role of aggregation, photo-transformation, adsorption and reduction.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,648.
MLA	Chen, Lili,et al."UV-induced simultaneous removal of GO and U(VI): The role of aggregation, photo-transformation, adsorption and reduction".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 648(2022).