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On the Enhanced Electrocatalytic Activity of Pd Overlayers on Carbon-Supported Gold Particles in Hydrogen Electrooxidation Научная публикация

Журнал PCCP: Physical Chemistry Chemical Physics
ISSN: 1463-9076 , E-ISSN: 1463-9084
Вых. Данные Год: 2008, Том: 10, Номер: 44, Страницы: 6665-6676 Страниц : 12 DOI: 10.1039/b803703e
Ключевые слова SINGLE-CRYSTAL SURFACES; CO MONOLAYER OXIDATION; ELECTROCHEMICAL OXIDATION; UNDERPOTENTIAL DEPOSITION; PALLADIUM; REACTIVITY; ADSORPTION; PLATINUM; FILMS; Au
Авторы Ruvinsky Pavel S. 1,2 , Pronkin Sergey N. 1,2 , Zaikovskii Vladimir I. 2 , Bernhardt Pierre 1 , Savinova Elena R. 1,2
Организации
1 Laboratory of Materials, Surfaces and Catalytic Processes, UMR 7515 of CNRS-ULP-ECPM, University Louis Pasteur, 25 Rue Becquerel, 67087 Strasbourg, France
2 Boreskov Institute of Catalysis, Pr. Lavrentieva 5, 630090 Novosibirsk, Russia

Информация о финансировании (3)

1 Российский фонд фундаментальных исследований 06-03-32737
2 European Commission 32175 FP6-2004-NMP-TI-4 FCANODE
3 The French National Research Agency ANR-06-CEXC-004

Реферат: Palladium-gold particles with varied composition were prepared by Pd electrochemical deposition on Au nanoparticles immobilized on model carbon support. Pd–Au/C catalysts were characterized ex situ by transmission electron microscopy, energy dispersive X-ray analysis and X-ray photoelectron spectroscopy, and in situ, by underpotential deposition of hydrogen and copper adatoms, and CO stripping. Hydrogen oxidation reaction on pristine and CO-poisoned Pd–Au/C particles was studied using rotating disk electrode (RDE) technique. It was found that the decrease of the effective Pd overlayer thickness below ca. two monolayers resulted in a two-fold increase of the exchange current density of the hydrogen oxidation reaction and in significant increase of CO tolerance.
Библиографическая ссылка: Ruvinsky P.S. , Pronkin S.N. , Zaikovskii V.I. , Bernhardt P. , Savinova E.R.
On the Enhanced Electrocatalytic Activity of Pd Overlayers on Carbon-Supported Gold Particles in Hydrogen Electrooxidation
PCCP: Physical Chemistry Chemical Physics. 2008. V.10. N44. P.6665-6676. DOI: 10.1039/b803703e WOS Scopus РИНЦ CAPlusCA OpenAlex
Даты:
Поступила в редакцию: 3 мар. 2008 г.
Принята к публикации: 11 авг. 2008 г.
Опубликована online: 29 сент. 2008 г.
Идентификаторы БД:
Web of science: WOS:000260775400011
Scopus: 2-s2.0-55849136936
РИНЦ: 13567299
Chemical Abstracts: 2008:1347382
Chemical Abstracts (print): 150:85358
OpenAlex: W2059301553
Цитирование в БД:
БД Цитирований
Web of science 32
Scopus 35
РИНЦ 33
OpenAlex 37
Альметрики: