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The Hydrogen Evolution Reaction at a Silver Nanoparticle Array and a Silver Macroelectrode Compared: Changed Electrode Kinetics between the Macro- and Nanoscales

Abstract:

The hydrogen evolution reaction (HER) is based on the electroreduction of protons (H+) at a metal electrode surface. We compare this reaction at the macro- and nanoscales. For the latter, silver nanoparticles were synthesized via citric reduction of AgNO3 and arrays constructed by modification of a basal plane pyrolytic (BPPG) electrode with the colloidal suspension. We report the reduction of protons at these silver nanoparticle arrays, for three sizes of AgNPs, over a range of surface cover...

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Publication status:
Published

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Publisher copy:
10.1021/jp904723b

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume:
113
Issue:
33
Pages:
14852-14857
Publication date:
2009-08-20
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
URN:
uuid:47e49e75-c4dc-4571-a842-a7137c1eb240
Source identifiers:
41362
Local pid:
pubs:41362
Language:
English

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