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个人信息Personal Information
教授
博士生导师
硕士生导师
主要任职：中国化学会创始会士、常务理事，中国化工学会会士
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：化工学院
学科：应用化学. 精细化工. 化学生物学
办公地点：大连理工大学西部校区知顺楼F-202#
http://peng-group.dlut.edu.cn/
联系方式：大连理工大学西部校区知顺楼F-202 辽宁省大连市高新区凌工路2号，大连116024 课题组网址：http://peng-group.dlut.edu.cn/ E-mail: pengxj@dlut.edu.cn
电子邮箱：pengxj@dlut.edu.cn
Terpyridine-derived Zn2+ Selective Fluorescence Sensor: Ratiometric Fluoroionophoric Behavior Study
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论文类型：期刊论文
发表时间：2011-01-25
发表刊物：CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
收录刊物：Scopus、SCIE、ISTIC、CSCD
卷号：27
期号：1
页面范围：127-131
ISSN号：1005-9040
关键字：Terpyridine; Fluorescence sensor; Ratiometric fluoroionophoric behavior; Time-correlated single photon counting
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.