Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution

doi:10.1016/j.jmst.2021.04.013

YIC-IR > 中国科学院海岸带环境过程与生态修复重点实验室 > 海岸带环境工程技术研究与发展中心

	Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution
	Pan, Fei 1,2,3; Tong, Chunyi 1; Wang, Zhaoyang 1; Xu, Fenghua 4; Wang, Xiaofei 5; Weng, Baicheng 4; Pan, Dawei2 ; Zhu, Rilong 1
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
	2021-12-10
卷号	93 页码:89-95
关键词	Sulfhydryl-functionalized Covalent organic framework Ultra-trace adsorption Mercury adsorption
DOI	10.1016/j.jmst.2021.04.013
通讯作者	Weng, Baicheng(baichengweng@hotmail.com) ; Pan, Dawei(dwpan@yic.ac.cn) ; Zhu, Rilong(zrlden@hnu.edu.cn)
英文摘要	Two kinds of novel sulfhydryl functionalized covalent organic frameworks were fabricated as adsorbents for the removal of ultra-trace concentrations of Hg(2+)from water. The two kinds of sulfhydryl functionalized covalent organic frameworks were obtained via a thiol-ene click reaction between the thiol groups of trithiocyanuric acid (TTC) or bismuththiol (BMT) and vinyl groups on the surface of covalent organic frameworks. The material structure was characterized by XRD, SEM, EDS, FT-IR, BET, and TG analysis. Due to their rich sulfur content, both adsorbents (COF-SH-1 and COF-SH-2) exhibited a high level of selective Hg2+ removal from aqueous solution with maximum adsorption capacities of 763.4 mg g(-1) and 526.3 mg g(1,) respectively. Furthermore, in the presence of ultra-low concentrations of Hg2+ both materials exhibited excellent performance, achieving rapid Hg2+ removal at concentrations from 10 mu g L-1 to less than 0.02 ng L-1. Analysis of the adsorption mechanism indicates that the sulfur containing chelating groups exhibit a strong binding capacity for Hg2 +. Results show that the structure determines the performance, with the amount of adsorption sites being related to the adsorption capacity. Therefore, as sulfhydryl functionalized covalent organic frameworks contain an abundance of adsorption sites, these materials can effectively achieve the removal of ultra-low trace Hg2+ concentrations and have promising future application potential for the environmental detection of heavy metals. (C) 2021 Published by Elsevier Ltd on behalf of Chinese Society for Metals.
资助机构	Fundamental Re-search Funds for the Central Universities ; Envi-ronmental Protection Science and Technology Project of Hunan Province ; Key R & D Program of Hunan Province
收录类别	SCI
语种	英语
关键词[WOS]	FACILE METHOD ; EFFICIENT ; MERCURY ; ADSORPTION ; IONS ; MOIETIES ; HG(II) ; RESIN
研究领域[WOS]	Materials Science ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000718116800011
引用统计	被引频次：30[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/30739
专题	中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
通讯作者	Weng, Baicheng; Pan, Dawei; Zhu, Rilong
作者单位	1.Hunan Univ, Minist Educ, Adv Catalyt Engn Res Ctr, Coll Chem & Chem Engn, Changsha 410082, Peoples R China 2.Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res,Shandong Key Lab Coa, Yantai 264003, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, PR, Peoples R China 5.Hubei Polytech Univ, Sch Environm Sci & Engn, Huangshi 435003, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Pan, Fei,Tong, Chunyi,Wang, Zhaoyang,et al. Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,93:89-95.
APA	Pan, Fei.,Tong, Chunyi.,Wang, Zhaoyang.,Xu, Fenghua.,Wang, Xiaofei.,...&Zhu, Rilong.(2021).Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,93,89-95.
MLA	Pan, Fei,et al."Novel sulfhydryl functionalized covalent organic frameworks for ultra-trace Hg2+ removal from aqueous solution".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 93(2021):89-95.