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Particle size effect: Methanol oxidation on supported Pt catalysts

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2005
Authors
Tripković, Amalija
Jovanović, Vladislava M.
Lović, Jelena
Popović, Ksenija
Kowal, Andrzej
Article (Published version)
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Abstract
The methanol oxidation was studied at two differently prepared supported Pt electrodes (Pt-C/GC and Pt/GC) in 0.5 M H2SO4 and 0.1 M NaOH. The supported Pt electrodes were characterized by AFM, STM TEM and HRTEM. The higher activity of Pt-C/GC than of Pt/GC catalyst, as well as negligible differences in the activities between the supported Pt catalysts and the corresponding single crystal electrodes oriented as the sites in the catalyst deposits in which Pt particles are dominant, clearly suggest the influence of the particle size effect on the catalyst activity.
Keywords:
AFM / methanol oxidation / particle size effect / STM / supported Pt catalysts / TEM
Source:
Current Research in Advanced Materials and Processes, 2005, 494, 229-234
Publisher:
  • Trans Tech Publications Ltd, Durnten-Zurich

DOI: 10.4028/www.scientific.net/MSF.494.229

ISSN: 0255-5476

WoS: 000230985800038

Scopus: 2-s2.0-34447305772
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/173
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