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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.
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 embodied in the addition of Ba2 +, which provided good evidence for the fluorescence amplification mechanism of conjugated polymers.