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The mechanism of electrochemical reduction of hydrogen peroxide on silver nanoparticles

Abstract:

The reduction of hydrogen peroxide on a silver nanoparticle modified boron doped diamond electrode in a neutral solution is shown to proceed through a CE mechanism. Hydrogen peroxide undergoes a disproportionation reaction to form oxygen (and water) on the silver surface, creating a diffusion layer of oxygen, which, at a sufficiently biased electrode, is then reduced to hydrogen peroxide. Voltammetry and a full mechanistic simulation are undertaken to confirm the mechanism, showing at short t...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1039/c7cp07492a

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
ORCID:
0000-0003-4035-1334
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
Oxford college:
Pembroke College
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Physical & Theoretical Chem
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Grant:
FP/2007-2013/ERC Grant Agreement no. 320403
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Physical Chemistry Chemical Physics Journal website
Volume:
20
Issue:
3
Pages:
1608-1614
Publication date:
2017-12-11
Acceptance date:
2017-12-11
DOI:
EISSN:
1463-9084
ISSN:
1463-9076
Pubs id:
pubs:812849
URN:
uri:f4eaa2e3-8da0-4322-92fd-d5e6beb57d64
UUID:
uuid:f4eaa2e3-8da0-4322-92fd-d5e6beb57d64
Local pid:
pubs:812849
Language:
English

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