A possible scheme of electrochemiluminescence generation on platinum cathodes in aqueous solutions of peroxydisulfates

The phenomenon of the electrochemiluminescence on the polished platinum cathode in the acid and basic aqueous solutions of the potassium peroxydisulfates was studied. It is determined that the electrochemiluminescence intensity increases with the oxygen saturation of the solution. It is proposed tha...

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Bibliographic Details
Published in:Electrochimica acta 1998-01, Vol.43 (5-6), p.465-469
Main Authors: Reshetnyak, O.V., Koval'chuk, E.P.
Format: Article
Language:English
Subjects:
aqueous solution
cathodization
Chemistry
electrochemiluminescence
Electrochemistry
Exact sciences and technology
General and physical chemistry
peroxydisulfates
Photoelectrochemistry. Electrochemiluminescence
platinum electrode
singlet oxygen
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Summary:The phenomenon of the electrochemiluminescence on the polished platinum cathode in the acid and basic aqueous solutions of the potassium peroxydisulfates was studied. It is determined that the electrochemiluminescence intensity increases with the oxygen saturation of the solution. It is proposed that the emitter of the light radiation is an oxygen in the 1Δg singlet state, that was verified by spectral investigations. A probable scheme of the singlet oxygen formation in the solution, and results of the electrochemiluminescence spectral investigation are discussed.
ISSN:0013-4686
1873-3859
DOI:10.1016/S0013-4686(97)00138-2