‘Cathodic’ electrochemiluminescence of [Ru(bpy)3]2+ and tri-n-propylamine confirmed as emission at the counter electrode

Ashton G. Theakstone; Egan H. Doeven; Xavier A. Conlan; Lynn Dennany; Paul S. Francis

doi:10.1039/C9CC03201K

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‘Cathodic’ electrochemiluminescence of [Ru(bpy)₃]²⁺ and tri-n-propylamine confirmed as emission at the counter electrode†

Ashton G. Theakstone,

^a Egan H. Doeven,

^b Xavier A. Conlan,^a Lynn Dennany

*^c and Paul S. Francis

*^a

Author affiliations

* Corresponding authors

^a Deakin University, School of Life and Environmental Sciences, Pigdons Road, Waurn Ponds, Victoria 3216, Australia
E-mail: paul.francis@deakin.edu.au

^b Deakin University, Centre for Regional and Rural Futures, Waurn Ponds, Victoria 3216, Australia

^c WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Technology and Innovation Centre, 99 George Street, Glasgow, UK
E-mail: lynn.dennany@strath.ac.uk

Abstract

A new approach to examine electrochemiluminescence (ECL), in which the potentials at both the working and counter electrodes are measured and the emitted light is detected by a photomultiplier tube, camera and then a charge-coupled device (CCD) spectrometer, provides unequivocal evidence that the purported cathodic ECL of [Ru(bpy)₃]²⁺ and tri-n-propylamine actually arises from anodic reactions at the counter electrode.

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Article information

DOI: https://doi.org/10.1039/C9CC03201K
Article type: Communication
Submitted: 25 Apr 2019
Accepted: 24 May 2019
First published: 24 May 2019

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Chem. Commun., 2019,55, 7081-7084

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‘Cathodic’ electrochemiluminescence of [Ru(bpy)₃]²⁺ and tri-n-propylamine confirmed as emission at the counter electrode

A. G. Theakstone, E. H. Doeven, X. A. Conlan, L. Dennany and P. S. Francis, Chem. Commun., 2019, 55, 7081 DOI: 10.1039/C9CC03201K

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