One-step preparation of fluorescent inorganic–organic hybrid material used for explosive sensing

Literature Information

Publication Date 2011-02-21
DOI 10.1039/C1PY00012H
Impact Factor 5.582
Authors

Qi Chen, Ding Zhou, Jie Cao, Yu-Jian He, Bao-Hang Han


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Abstract

As a fluorescent inorganic–organic hybrid polymer, cross-linked poly(tetraphenylethylene-co-cyclotriphosphazene) (TPE-CP) is prepared through one-step polycondensation and well characterized. Owing to the aggregation-induced emission feature of the tetraphenylethylene residue, TPE-CP exhibits a remarkable fluorescent emission property in the suspension and solid-state. Both 2,4,6-trinitrotoluene (TNT) and 2,4,6-trinitrophenol (picric acid, PA) can cause a significant fluorescence quenching of TPE-CP due to the electron transfer from TPE-CP to TNT or PA. Additional energy transfer makes PA more sensitive to TPE-CP than TNT in the fluorescence quenching detection.

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DOI: 10.1039/C5CP90205C

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