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Title
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Metallic nanoparticles on plasma treated carbon nanotubes : $Nano^{2}hybrids$
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Author
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Abstract
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| Multi-wall carbon nanotubes (MWCNTs) were decorated with metal clusters by thermal evaporation. Transmission electron microscopy (TEM) shows that the nature and extent of metal coverage can be varied by plasma treating the MWCNT surface. The metal clusters on oxygen plasma treated arc-discharge MWCNTs have a more dense distribution than the clusters evaporated on as-synthesized are-discharge MWCNTs. In contrast, the plasma treatment did not affect the cluster distribution on CVD MWCNTs. Analyses of the valence band and the core levels by X-ray photoelectron spectroscopy suggest poor charge transfer between gold clusters and MWCNTs; on the contrary suggest good charge transfer between Ni clusters and MWCNTs. (c) 2007 Elsevier B. V. All rights reserved. |
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Language
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English
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Source (journal)
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Surface science: a journal devoted to the physics and chemistry of interfaces. - Amsterdam
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Source (book)
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International Conference on NANO-Structures Self Assembling, JUL 02-06, 2006, Aix en Provence, FRANCE
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Publication
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Amsterdam
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2007
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ISSN
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0039-6028
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Volume/pages
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601
:13
(2007)
, p. 2800-2804
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ISI
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000248030100055
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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