Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant

doi:10.1039/d1en00237f

GIEC OpenIR

	Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant
	Li, Xin 1; Yang, Zhiyu 1; Hu, Di 1; Wang, Anqi 1; Chen, Yuwen 1; Huang, Yizhe 1; Zhang, Man 1; Yuan, Haoran2 ; Yan, Kai 1
	2021-08-03
发表期刊	ENVIRONMENTAL SCIENCE-NANO
ISSN	2051-8153
页码	12
通讯作者	Yuan, Haoran(yuanhr@ms.giec.ac.cn) ; Yan, Kai(yank9@mail.sysu.edu.cn)
摘要	Quinolones are widely used in the pharmaceutical industry; however, the high residue of these antibiotics has caused serious water quality issues, and their effective removal is still a great challenge. In this work, bimetallic magnetic FexMny catalysts are prepared by a facile impregnation method and are efficient for photocatalytic removal of five typical quinolone pollutants without oxidant under simulated light irradiation. The fabricated bimetallic magnetic FexMny catalyst with the Fe3+/Mn2+ ratio of 1 : 1 exhibits a large surface area of 122.5 m(2) g(-1), highly porous structure, rich defects and a covalent metal environment. These fabricated semiconductor catalysts can degrade 98.3% of ciprofloxacin (CIP), 96.0% of ofloxacin (OFL), 91.0% of enrofloxacin (ENR), 92.2% of levofloxacin (LEV), and 93.5% of norfloxacin (NOR) in 30 min without using any oxidant. The magnetic FexMny catalysts can be simply recycled using a magnet and maintain high stability, avoiding complex recycling procedures. Even after five cycles, the degradation rate of CIP was still over 92.0%. The degradation performance is far superior to that of most previously reported candidates. The bimetallic FexMny catalyst improves the ability to capture sunlight, increases the interface charge transfer rate, and inhibits the recombination of photogenerated electron-hole pairs. In addition, the mechanism and the main intermediates in the photocatalytic degradation of CIP are explored by quenching experiments, electron paramagnetic resonance (EPR) and liquid chromatography-mass spectrometry (LC-MS) analysis. These noble-metal free magnetic FexMny catalysts provide a promising opportunity for advanced photocatalytic oxidation technology to treat wastewater.
DOI	10.1039/d1en00237f
关键词[WOS]	WATER ; DEGRADATION ; ACTIVATION ; MOF
收录类别	SCI
语种	英语
资助项目	Key-Area Research and Development Program of Guangdong Province[2019B110209003] ; National Key R&D Program of China[2018YFD0800703] ; National Key R&D Program of China[2020YFC1807600] ; National Ten Thousand Talent Plan, National Natural Science Foundation of China[22078374] ; National Ten Thousand Talent Plan, National Natural Science Foundation of China[21776324] ; Guangdong Basic and Applied Basic Research Foundation[2019B1515120058] ; Guangdong Basic and Applied Basic Research Foundation[2020A1515011149] ; Fundamental Research Funds for the Central Universities[19lgzd25] ; Sun Yatsen University[201602]
WOS研究方向	Chemistry ; Environmental Sciences & Ecology ; Science & Technology - Other Topics
项目资助者	Key-Area Research and Development Program of Guangdong Province ; National Key R&D Program of China ; National Ten Thousand Talent Plan, National Natural Science Foundation of China ; Guangdong Basic and Applied Basic Research Foundation ; Fundamental Research Funds for the Central Universities ; Sun Yatsen University
WOS类目	Chemistry, Multidisciplinary ; Environmental Sciences ; Nanoscience & Nanotechnology
WOS记录号	WOS:000680400600001
出版者	ROYAL SOC CHEMISTRY
引用统计	被引频次：19[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/33558
专题	中国科学院广州能源研究所
通讯作者	Yuan, Haoran; Yan, Kai
作者单位	1.Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangdong Prov Key Lab Environm Pollut Control &, 135 Xingang Xi Rd, Guangzhou 510275, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
推荐引用方式 GB/T 7714	Li, Xin,Yang, Zhiyu,Hu, Di,et al. Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant[J]. ENVIRONMENTAL SCIENCE-NANO,2021:12.
APA	Li, Xin.,Yang, Zhiyu.,Hu, Di.,Wang, Anqi.,Chen, Yuwen.,...&Yan, Kai.(2021).Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant.ENVIRONMENTAL SCIENCE-NANO,12.
MLA	Li, Xin,et al."Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant".ENVIRONMENTAL SCIENCE-NANO (2021):12.