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Hydrogen Peroxide Electroreduction at a Silver-Nanoparticle Array: Investigating Nanoparticle Size and Coverage Effects

Abstract:

The cathodic reduction of hydrogen peroxide displays altered electrochemical behavior between silver macro- and nanoscale electrodes. In acidic media, two parallel reduction mechanisms have been reported: "normal" and "autocatalytic". The reduction potentials are reported in the literature versus mercury/mercurous sulfate reference electrode. The "normal" reduction of H 2O2, in the presence of H+, forms water and the intermediate OH(ads), taking place at <-0.4 V. The presence of the OH(ads...

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Publication status:
Published

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Publisher copy:
10.1021/jp900233z

Authors


Campbell, FW More by this author
Belding, SR More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume:
113
Issue:
21
Pages:
9053-9062
Publication date:
2009-05-28
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
URN:
uuid:ca3072bb-c5a3-43c8-8592-6d9df0601ab1
Source identifiers:
41190
Local pid:
pubs:41190
Language:
English

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