The unexpected activity of Pd nanoparticles prepared using a non-ionic surfactant template
The unexpected activity of Pd nanoparticles prepared using a non-ionic surfactant template
Pd deposits on vitreous carbon substrates were prepared by electrodeposition from liquid crystal phases (both micellar and hexagonal phases) consisting of self-assembled non-ionic surfactant molecules. The morphology of the deposits varied significantly with the concentration of the surfactant but all are made up of aggregated nanoparticles circa 9 nm in diameter. The deposits from the micellar phase of the surfactant offer the largest electroactive area and specific activity for the hydrogen evolution, oxygen evolution and reduction reactions and formic acid and ethanol oxidations. Unexpectedly the deposits lead to an increase in catalytic activity far in excess of that expected from an enhancement in electroactive area
4892-4899
Al Abass, N.
b8434a1c-3b90-43fb-84d9-5641ce01f090
Denuault, G.
5c76e69f-e04e-4be5-83c5-e729887ffd4e
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
14 March 2014
Al Abass, N.
b8434a1c-3b90-43fb-84d9-5641ce01f090
Denuault, G.
5c76e69f-e04e-4be5-83c5-e729887ffd4e
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Al Abass, N., Denuault, G. and Pletcher, D.
(2014)
The unexpected activity of Pd nanoparticles prepared using a non-ionic surfactant template.
Physical Chemistry Chemical Physics, 16 (10), .
(doi:10.1039/c3cp54531h).
(PMID:24473092)
Abstract
Pd deposits on vitreous carbon substrates were prepared by electrodeposition from liquid crystal phases (both micellar and hexagonal phases) consisting of self-assembled non-ionic surfactant molecules. The morphology of the deposits varied significantly with the concentration of the surfactant but all are made up of aggregated nanoparticles circa 9 nm in diameter. The deposits from the micellar phase of the surfactant offer the largest electroactive area and specific activity for the hydrogen evolution, oxygen evolution and reduction reactions and formic acid and ethanol oxidations. Unexpectedly the deposits lead to an increase in catalytic activity far in excess of that expected from an enhancement in electroactive area
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c3cp54531h
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e-pub ahead of print date: 29 January 2014
Published date: 14 March 2014
Organisations:
Electrochemistry
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Local EPrints ID: 364124
URI: http://eprints.soton.ac.uk/id/eprint/364124
ISSN: 1463-9076
PURE UUID: e583c32f-3062-4206-b8c2-55e1b1659914
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Date deposited: 07 Apr 2014 07:58
Last modified: 15 Mar 2024 02:44
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Author:
N. Al Abass
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