Refereed journal article or data article (A1)

Hot electron injection into aqueous electrolyte solution from thin insulating film-coated electrodes




List of AuthorsKulmala S, Ala-Kleme T, Joela H, Kulmala A

PublisherELSEVIER SCIENCE SA

Publication year1998

JournalJournal of Radioanalytical and Nuclear Chemistry

Journal name in sourceJOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

Journal acronymJ RADIOANAL NUCL CH

Volume number232

Issue number1-2

Start page91

End page95

Number of pages5

ISSN0236-5731

DOIhttp://dx.doi.org/10.1007/BF02383720


Abstract
Hot electron injection into aqueous electrolyte solution was studied with electrochemiluminescence and electron paramagnetic resonance (EPR) methods. Both methods provide further indirect support for the previously proposed hot electron emission mechanisms from thin insulating film-coated electrodes to aqueous electrolyte solutions. The results do not rule out the possibility of hydrated electron being as a cathodic intermediate in the reduction reactions at cathodically pulse-polarized thin insulating film-coated electrodes. However, no direct evidence for electrochemical generation of hydrated electrons could be obtained with EPR, only spin-trapping experiments could give information about the primary cathodic steps.


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