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兰州大学机构库  > 化学化工学院  > 期刊论文
题名: Ultrafast water sensing and thermal imaging by a metal-organic framework with switchable luminescence
作者: Chen, L; Ye, JW; Wang, HP; Pan, M; Yin, SY; Wei, ZW; Zhang, LY; Wu, K; Fan, YN; Su, CY
收录类别: SCIE
出版日期: 2017-06-30
刊名: NATURE COMMUNICATIONS
卷号: 8
出版者: NATURE PUBLISHING GROUP
出版地: LONDON
英文摘要: A convenient, fast and selective water analysis method is highly desirable in industrial and detection processes. Here a robust microporous Zn-MOF (metal-organic framework, Zn(hpi2cf)(DMF)(H2O)) is assembled from a dual-emissive H(2)hpi2cf (5-(2-(5-fluoro-2-hydroxyphenyl)-4,5-bis(4-fluorophenyl)-1H-imidazol-1-yl) isophthalic acid) ligand that exhibits characteristic excited state intramolecular proton transfer (ESIPT). This Zn-MOF contains amphipathic micropores (<3 angstrom) and undergoes extremely facile single-crystal-to-single-crystal transformation driven by reversible removal/uptake of coordinating water molecules simply stimulated by dry gas blowing or gentle heating at 70 degrees C, manifesting an excellent example of dynamic reversible coordination behaviour. The interconversion between the hydrated and dehydrated phases can turn the ligand ESIPT process on or off, resulting in sensitive two-colour photoluminescence switching over cycles. Therefore, this Zn-MOF represents an excellent PL water-sensing material, showing a fast (on the order of seconds) and highly selective response to water on a molecular level. Furthermore, paper or in situ grown ZnO-based sensing films have been fabricated and applied in humidity sensing (RH<1%), detection of traces of water (<0.05% v/v) in various organic solvents, thermal imaging and as a thermometer.
作者部门: [Chen, Ling ; Ye, Jia-Wen ; Wang, Hai-Ping ; Pan, Mei ; Yin, Shao-Yun ; Wei, Zhang-Wen ; Zhang, Lu-Yin ; Wu, Kai ; Fan, Ya-Nan ; Su, Cheng-Yong] Sun Yat Sen Univ, Lehn Inst Funct Mat,Sch Chem, State Key Lab Optoelect Mat & Technol, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China ; [Su, Cheng-Yong] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
通讯作者: Pan, M ; Su, CY (reprint author), Sun Yat Sen Univ, Lehn Inst Funct Mat,Sch Chem, State Key Lab Optoelect Mat & Technol, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China. ; Su, CY (reprint author), Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China.
学科分类: Science & Technology - Other Topics
文章类型: Article
所属项目编号: NSFC [21373276, 91222201, 21573291] ; STPP of Guangzhou [201510010246, 201504010031] ; NSF of Guangdong Province [S2013030013474]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1038/ncomms15985
ISSN号: 2041-1723
WOS记录号: WOS:000404454800001
IR记录号: WOS:000404454800001
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/190180
Appears in Collections:化学化工学院_期刊论文

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作者单位: 16CHEM

Recommended Citation:
Chen, L,Ye, JW,Wang, HP,et al. Ultrafast water sensing and thermal imaging by a metal-organic framework with switchable luminescence[J]. NATURE COMMUNICATIONS,2017,8.
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