Reduction of H2O2 at CuInSe2 (Photo)cathodes. II. Sustained and Triggered Oscillations (Articolo in rivista)

Type
Label
  • Reduction of H2O2 at CuInSe2 (Photo)cathodes. II. Sustained and Triggered Oscillations (Articolo in rivista) (literal)
Anno
  • 1992-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1149/1.2069406 (literal)
Alternative label
  • Cattarin S.; Tributsch H. (1992)
    Reduction of H2O2 at CuInSe2 (Photo)cathodes. II. Sustained and Triggered Oscillations
    in Journal of the Electrochemical Society
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cattarin S.; Tributsch H. (literal)
Pagina inizio
  • 1328 (literal)
Pagina fine
  • 1332 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://jes.ecsdl.org/content/139/5/1328 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 139 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 : Istituto di Polarografia ed Elettrochimica Preparativa del CNR, Corso Stati Uniti 4, 35100 Padova Italy / 2 : Hahn-Meitner-Inst, Berlin, Germany (literal)
Titolo
  • Reduction of H2O2 at CuInSe2 (Photo)cathodes. II. Sustained and Triggered Oscillations (literal)
Abstract
  • A region of differential negative resistance appears in the dynamic current/potential curve of H2O2 reduction at p-CuInSe2 (photo)cathodes after appropriate electrochemical treatment. Associated with this feature, oscillatory phenomena may occur: potential oscillations under galvanostatic control and current oscillations under potentiostatic control, in the presence of a suitable external resistance. Oscillations of defined frequency may be obtained by synchronization to a periodic potential or light triggering action. The cell may behave as a rudimentary light sensor responding with individual current/potential pulses to short photon flux interruptions. Qualitative analysis of the oscillatory phenomena is proposed, focused on the conditions of circuit (in)stability, which accounts intuitively for the experimental findings. (literal)
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