Two new isomerous fluorescent chemosensors for Al3+ based on photoinduced electron transfer
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2013）
Abstract
Two new isomerous PET fluorescent chemosensors (L and L′) for Al3+ have been designed and synthesized. The two chemosensors exhibited fluorescence enhancement upon binding Al3+ in CH3CN by PET inhibition processes from both the sulfur and the nitrogen donors to anthracene. Studies reveal that exhibit good selectivity for Al3+ over other metal ions with little interference in CH3CN. In addition, both L and L′ for Al3+ had a lower detection limit.
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Key words
Isomerous,Fluorescent chemosensors,Al3+,PET
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