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兰州大学机构库  > 化学化工学院  > 期刊论文
题名: Thioether-Based Fluorescent Covalent Organic Framework for Selective Detection and Facile Removal of Mercury(II)
作者: Ding, SY(丁三元); Dong, M; Wang, YW(王雅雯); Chen, YT; Wang, HZ; Su, CY; Wang, W(王为)
收录类别: SCIE ; EI ; MEDLINE ; BIOSIS
出版日期: 2016-03-09
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷号: 138, 期号:9, 页码:3031-3037
英文摘要: Heavy metal ions are highly toxic and widely spread as environmental pollutants. New strategies are being developed to simultaneously detect and remove these toxic ions. Herein, we take the intrinsic advantage of covalent organic frameworks (COFs) and develop fluorescent COFs for sensing applications. As a proof-of-concept, a thioether-functionalized COF material, COF-LZU8, was "bottom-up" integrated with multifunctionality for the selective detection and facile removal of mercury(II): the pi-conjugated framework as the signal transducer, the evenly and densely distributed thioether groups as the Hg2+ receptor, the regular pores facilitating the real-time detection and mass transfer, together with the robust COF structure for recycle use. The excellent sensing performance of COF-LZU8 was achieved in terms of high sensitivity, excellent selectivity, easy visibility, and real-time response. Meanwhile, the efficient removal of Hg2+ from water and the recycling of COF-LZU8 offers the possibility for practical applications. In addition, X-ray photoelectron spectroscopy and solid-state NMR investigations verified the strong and selective interaction between Hg2+ and the thioether groups of COF-LZU8. This research not only demonstrates the utilization of fluorescent COFs for both sensing and removal of metal ions but also highlights the facile construction of functionalized COFs for environmental applications.
作者部门: [Ding, San-Yuan ; Dong, Ming ; Wang, Ya-Wen ; Chen, Yan-Tao ; Wang, Huai-Zhen ; Wang, Wei] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Gansu, Peoples R China ; [Su, Cheng-Yong] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China ; [Wang, Wei] Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300071, Peoples R China
通讯作者: Wang, W (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Gansu, Peoples R China. ; Wang, W (reprint author), Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300071, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: National Natural Science Foundation for Distinguished Young Scholars of China [21425206] ; 973 Program of China [2012CB821701] ; Specialized Research Fund for Doctoral Program of Higher Education [20120211130004]
所属项目名称: 国家杰出青年科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划) ; 高等学校博士学科点专项科研基金
项目资助者: NSFC ; MOST ; MOE
语种: 英语
DOI: 10.1021/jacs.5b10754
ISSN号: 0002-7863
WOS记录号: WOS:000371945800035
EI记录号: 20161202115863
PM记录号: 26878337
BIOSIS记录号: BCI:BCI201600342449
IR记录号: WOS:000371945800035
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180375
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Ding, SY,Dong, M,Wang, YW,et al. Thioether-Based Fluorescent Covalent Organic Framework for Selective Detection and Facile Removal of Mercury(II)[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2016,138(9):3031-3037.
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