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学科主题: 物理化学
题名: Terpyridine-derived Zn2+ Selective Fluorescence Sensor: Ratiometric Fluoroionophoric Behavior Study
作者: Song Peng1;  Sun Shi-guo2;  Zhou Pan-wang1;  Liu Jian-yong1;  Xu Yong-qian2;  Peng Xiao-jun2
通讯作者: 刘建勇
关键词: Terpyridine ;  Fluorescence sensor ;  Ratiometric fluoroionophoric behavior ;  Time-correlated single photon counting
刊名: CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
发表日期: 2011-01-25
卷: 27, 期:1, 页:127-131
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
摘要: Terpyridine-derived Zn2+ selective fluorescence sensor: ratiometric fluoroionophoric behavior study
研究领域[WOS]: Chemistry
英文摘要: A sensitive and selective zinc ion ratiometric fluorescence sensor has been synthesized and characterized. This material displays dual fluorescence. After the material was bonded to a closed-shell metal ion, such as Zn2+, the recovery of the local excited fluorescence of the material-Zn2+ complex, largely at the expense of the intramolecular charge transfer fluorescence, is consistent with the difference between selected orbital transitions of the free dye and the metal-chelated complex. For instance, the contribution of the pi(tpy)->pi(tpy), transition becomes more prominent. This is also consistent with the results of the fluorescence decay behavior, measured via a time-correlated single photon counting setup. In contrast, the corresponding open shell Ni2+-bound complex quenches both kinds of photoluminescence, due to spin-orbit coupling.
关键词[WOS]: TRANSITION-METAL IONS ;  GAUSSIAN-BASIS SETS ;  ELECTRON-TRANSFER ;  EXCITED-STATE ;  ATOMS LI ;  MOLECULES ;  CELLS ;  ZINC ;  COORDINATION ;  POLYMERS
语种: 英语
WOS记录号: WOS:000287825400027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115226
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

Recommended Citation:
Song Peng,Sun Shi-guo,Zhou Pan-wang,et al. Terpyridine-derived Zn2+ Selective Fluorescence Sensor: Ratiometric Fluoroionophoric Behavior Study[J]. CHEMICAL RESEARCH IN CHINESE UNIVERSITIES,2011,27(1):127-131.
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