Coupling thin layer electrochemistry with epifluorescence microscopy: an expedient way of investigating electrofluorochromism of organic dyes
Miomandre, F., Allain, C., Clavier, G., Audibert, J.-F., Pansu, R. B., Audebert, P. and Hartl, F. (2011) Coupling thin layer electrochemistry with epifluorescence microscopy: an expedient way of investigating electrofluorochromism of organic dyes. Electrochemistry Communications, 13 (6). pp. 574-577. ISSN 1388-2481
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To link to this article DOI: 10.1016/j.elecom.2011.03.013
The first example of thin layer electrochemistry coupled to epifluorescence microscopy in the total internal reflectance mode is described and applied to the investigation of electrochemically modulated fluorescence of an organic dye (chloromethoxytetrazine) in solution. This technique allows to generate full redox switch of fluorescence when converting reversibly the dye into its anion radical, as well as to record the spectral features of the electrogenerated species. Recording simultaneously fluorescence intensity and lifetime along with coulombic charge as a function of the electrode potential will lead to a deep insight into the redox quenching mechanism.
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