期刊
CHEMICAL PHYSICS LETTERS
卷 462, 期 4-6, 页码 260-264出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.07.082
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资金
- Belgian Program on Interuniversity Attraction Pole [PAI 6/08]
- ARC
- DESY
- European Commission [RII3-CT 2004-506008 (IASFS)]
The interaction between evaporated Pt and pristine or oxygen-plasma-treated multiwall carbon nanotubes (CNTs) is investigated. Pt is found to nucleate at defect sites, whether initially present or introduced by oxygen plasma treatment. The plasma treatment induces a uniform dispersion of Pt nanoparticles at the CNT surface. The absence of additional features in the C 1s core level spectrum indicates that no mixed Pt-C phase is formed. The formation of C-O-Pt bonds at the cluster-CNT interface is suggested to reduce the electronic interaction between Pt nanoparticles and the CNT surface. (c) 2008 Elsevier B. V. All rights reserved.
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