Recovery of PET-quenched fluorescent conjugated polymers with aza-15-crown-5 as pendant groups on interaction with ions

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作者
Jing Cao
Jun-xiang Feng
Shi Wu
机构
[1] Xiangtan University,College of Chemistry
[2] Hubei University of Science and Technology,School of Pharmacy
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关键词
Conjugated polymer; Fluorescence recovery;
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摘要
Novel conjugated polymers with aza-15-crown-5 as pendant groups, P1 were synthesized by the Sonogashira coupling reaction. The polymer P1 was found to show fluorescence enhancement response towards Ba2+. The gradual recovery and turning-point of emission intensity of polymers appeared in the addition of Ba2+, which provided good evidence for the fluorescence amplification mechanism of conjugated polymers.
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页码:371 / 376
页数:5
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