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

Theakstone, Ashton and Doeven, Egan H and Conlan, Xavier and Dennany, Lynn and Francis, Paul S (2019) 'Cathodic' electrochemiluminescence of [Ru(bpy)3]2+ and tri n propylamine confirmed as emission at the counter electrode. Chemical Communications, 55 (49). pp. 7081-7084. ISSN 1359-7345

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    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.