N-doped FeOOH/RGO hydrogels with a dual-reaction-center for enhanced catalytic removal of organic pollutants

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 中国科学院饮用水科学与技术重点实验室

	N-doped FeOOH/RGO hydrogels with a dual-reaction-center for enhanced catalytic removal of organic pollutants
	Zhuang, Yuan; Wang, Xuechun; Liu, Qiaozhi; Shi, Baoyou
刊名	CHEMICAL ENGINEERING JOURNAL
	2020
卷号	379 页码:1-11
关键词	Fenton Dual reaction center Graphene Tetracycline
ISSN号	1385-8947
英文摘要	A graphene-based hydrogel is prepared by a simple one-step method, establishing a strong dual reaction center and easy separation for efficient pollutant removal from aqueous solution. The FeOOH was grown in situ simultaneously with N doping in a graphene matrix during the self-assembly of graphene hydrogels, resulting in strong interactions in the resulting hydrogel. Density functional theory (DFT) calculation showed that the Fe-pi interaction through the Fe-O-C linkage induced the formation of a dual-reaction-center around Fe and C, which was further enhanced by N doping. Furthermore, molecular dynamics (MD) simulations showed that the adsorption process was promoted due to the increase in hydrogen bonding and active sites, further enhancing the electron donor role of pollutant tetracycline for Fe(III) in the Fenton reaction. As revealed by the cyclic voltammetry results, N doping lowered the reduction potential of Fe(II)/Fe(III), which was a key factor in the Fenton reaction. In addition, high stability of the hydrogel was observed after five runs, which suggests promising applications for water treatment.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/45331]
专题	生态环境研究中心_中国科学院饮用水科学与技术重点实验室
推荐引用方式 GB/T 7714	Zhuang, Yuan,Wang, Xuechun,Liu, Qiaozhi,et al. N-doped FeOOH/RGO hydrogels with a dual-reaction-center for enhanced catalytic removal of organic pollutants[J]. CHEMICAL ENGINEERING JOURNAL,2020,379:1-11.
APA	Zhuang, Yuan,Wang, Xuechun,Liu, Qiaozhi,&Shi, Baoyou.(2020).N-doped FeOOH/RGO hydrogels with a dual-reaction-center for enhanced catalytic removal of organic pollutants.CHEMICAL ENGINEERING JOURNAL,379,1-11.
MLA	Zhuang, Yuan,et al."N-doped FeOOH/RGO hydrogels with a dual-reaction-center for enhanced catalytic removal of organic pollutants".CHEMICAL ENGINEERING JOURNAL 379(2020):1-11.