期刊
ORGANIC LETTERS
卷 10, 期 17, 页码 3653-3656出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol801382f
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资金
- NSFC [20771048, 20431010, 20621091, J0630962]
A new 8-hydroxyquinoline-based chemosensor possessing a semirigid structure was designed, and its fluorescent sensing behavior toward metalions was investigated. A prominent fluorescence enhancement only for Cd2+ was found in aqueous methanol solution. The results clearly suggest that the specific semirigid structure could selectively accommodate Cd2+ according to ionic radius, which would effectively suppress the intramolecular radiationless transitions from the n pi* state to enhance the fluorescence response.
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