Citation: Jing Cao, Jun-xiang Feng. Recovery of PET-quenched Fluorescent Conjugated Polymers with Aza-15-crown-5 as Pendant Groups on Interaction with Ions[J]. Chinese Journal of Polymer Science, ;2014, 32(3): 371-376. doi: 10.1007/s10118-014-1389-x shu

Recovery of PET-quenched Fluorescent Conjugated Polymers with Aza-15-crown-5 as Pendant Groups on Interaction with Ions

Jing Cao ¹ ,
Jun-xiang Feng ¹

1.
College of Chemistry, Xiangtan University, Xiangtan 411105, China

Received Date: 6 June 2013
Revised Date: 7 August 2013

Fund Project: This work was financially supported by the open project program of Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, China (No. 09HJYH04) and Hubei Provincial Natural Science Foundation in 2011(No. 2011CDC120).

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.
- Conjugated polymer,
- Fluorescence recovery
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