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个人信息Personal Information
副教授
硕士生导师
性别：女
毕业院校：Regensburg大学
学位：博士
所在单位：化学学院
学科：分析化学
电子邮箱：guohm@dlut.edu.cn
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A Highly Selective OFF-ON Red-Emitting Phosphorescent Thiol Probe with Large Stokes Shift and Long Luminescent Lifetime
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论文类型：期刊论文
发表时间：2010-06-18
发表刊物：ORGANIC LETTERS
收录刊物：SCIE、PubMed、Scopus
卷号：12
期号：12
页面范围：2876-2879
ISSN号：1523-7060
摘要：An OFF-ON red-emitting phosphorescent thiol probe is designed by using the (3)MLCT photophysics of Ru(II) complexes, i.e., with Ru(II) as the electron donor. The probe is non-luminescent because the MLCT is corrupted by electron transfer from Ru(II) to an intramolecular electron sink (2,4-dinitrobenzenesulfonyl). Thiols cleave the electron sink, and the MLCT is re-established. Phosphorescence at 598 nm was enhanced by 90-fold, with a 143 nm (5256 cm(-1)) Stokes shift and a 1.1 mu s luminescent lifetime.