A simple metal ion displacement-type turn-on fluorescent probe for the detection of halide ions in 100% water – Spectroscopic and TD-DFT investigations

K. Satheeshkumar,P. Saravana Kumar,C. Nandhini,R. Shanmugapriya,K.N. Vennila,Kuppanagounder P. Elango

Inorganic Chemistry Communications（2022）

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摘要

•The rationally selected fluorophore forms Hg(II) complex easily.•The Hg(II) complex senses halide ions via turn-on fluorescent in 100% water.•The mechanism of sensing involves displacement of metal ion from the complex.•This complex exhibited many advantages than similar in-situ generated Hg(II) complexes.

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关键词

PQQ, Halide Ions,Fluorescence,Hg(II) complex,TDDFT

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