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J Fluoresc. 2012 Sep;22(5):1231-6. doi: 10.1007/s10895-012-1063-z. Epub 2012 May 16.

Fluoride-triggered ESPT in the binding with sal(oph)en.

Author information

1
Tianjin Key Laboratory of Structure and Performance for Functional Molecule, College of Chemistry, Tianjin Normal University, Tianjin 300387, China. hxxylk@mail.tjnu.edu.cn

Abstract

In this paper, anion binding and sensing affinity of the simple and easy-to-make salen, a typical class of ligand used comprehensively in metal coordination, was investigated. Results indicated that salophen was both a colorimetric and fluorescent selective chemosensor for fluoride ion, which operated by the anion-induced conformational changes and subsequently excited-state intramolecular proton transfer (ESPT) process. The F(-)-induced quick response, as well as noticeable optical changes, suggested that anion-sensing mechanism maybe help to design and to synthesize the new preferential selective probes for F(-).

PMID:
22588593
DOI:
10.1007/s10895-012-1063-z

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