期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 29, 期 -, 页码 12-16出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.12.028
关键词
Interaction; Platinum nanoparticles; Carbon substrates; UV-photodeposition; CO-stripping; XPS
资金
- Ministere de l'Enseignement Superieur et Recherche
- Poitou-Charentes region
- Ministry of Science and Higher Education (Poland) [N204 527739]
Platinum nanoparticles deposited either by the photodeposition method or by the carbonyl chemical route are thought to be electronically modified onto carbon support. The deposition method is responsible for a controlled heterogeneous nucleation of platinum nanoparticles onto the substrate. By coupling results obtained from CO stripping experiments and X-ray photoelectron spectroscopy (XPS), there was a strong interaction between graphitic domains of carbonaceous supports and platinum nanoparticles. This phenomenon is at the origin of an increase of CO tolerance of the catalyst. (c) 2013 Elsevier B.V. All rights reserved.
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