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Issue 65, 2014

Redox-controlled fluorescence modulation (electrofluorochromism) in triphenylamine derivatives

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Abstract

The study of the chemical and electrochemical fluorescence switching properties of a family of substituted triphenylamine derivatives is reported. First of all, the synthesis of a family of six compounds is described. They are characterized by electrochemistry, UV-vis and fluorescence spectroscopy and spectroelectrochemistry. Theoretical calculations were performed in order to corroborate the experimental results. While these compounds emit blue to green light under UV irradiation with a large quantum yield (37%) in the case of one molecule, the fluorescence intensity is quenched upon oxidation. The fluorescence behavior can be switched between the strong fluorescent (neutral) state and the non-fluorescent (oxidized) state with a high contrast (around 1500 for the fluorescence intensity for one of these molecules). Furthermore, the chromatic contrast of three of these molecules reaches 70% that can be important for further applications.

Graphical abstract: Redox-controlled fluorescence modulation (electrofluorochromism) in triphenylamine derivatives

Supplementary files

Article information


Submitted
26 Mar 2014
Accepted
11 Jul 2014
First published
15 Jul 2014

RSC Adv., 2014,4, 34332-34342
Article type
Paper
Author version available

Redox-controlled fluorescence modulation (electrofluorochromism) in triphenylamine derivatives

C. Quinton, V. Alain-Rizzo, C. Dumas-Verdes, F. Miomandre, G. Clavier and P. Audebert, RSC Adv., 2014, 4, 34332 DOI: 10.1039/C4RA02675F

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