Issue 9, 2012
From the journal:

Analytical Methods

Hydrochromic fluorescence of organo-boronium-avobenzone complexes†

Xuepeng Zhanga  and  Guoqing Zhang*a  

* Corresponding authors

a CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, China
E-mail: gzhang@ustc.edu.cn
Fax: +86 551 3606607
Tel: +86 551 3606607

Abstract

Commercially available avobenzone readily reacts with boron trichloride or tribromide to afford boron-bisavobenzone salts. The complexes were found to exhibit unusual solvent-dependent fluorescence in solution and hydrochromic fluorescence in the solid state: a blue-to-orange emission colour change was observed upon water vapour exposure. The phenomenon was likely caused by interference of the boron coordination sphere by water molecules.

Graphical abstract: Hydrochromic fluorescence of organo-boronium-avobenzone complexes

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Article information

DOI
https://doi.org/10.1039/C2AY25424G
Article type
Communication
Submitted
25 Apr 2012
Accepted
13 Jul 2012
First published
13 Jul 2012

Anal. Methods, 2012,4, 2641-2643

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Hydrochromic fluorescence of organo-boronium-avobenzone complexes

X. Zhang and G. Zhang, Anal. Methods, 2012, 4, 2641 DOI: 10.1039/C2AY25424G

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