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

Ashton G Theakstone Egan H DoevenXavier A ConlanLynn Dennany Paul S Francis

Published in: Chemical communications (Cambridge, England) (2019)

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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