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Sputter deposition of highly dispersed platinum nanoparticles on carbon nanotube arrays for fuel cell electrode material

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Soin, N, Roy, SS, Karlsson, L and McLaughlin, JAD (2010) Sputter deposition of highly dispersed platinum nanoparticles on carbon nanotube arrays for fuel cell electrode material. Diamond and Related Materials, 19 (5-6). pp. 595-598. [Journal article]

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URL: http://dx.doi.org/10.1016/j.diamond.2009.10.029

DOI: doi:10.1016/j.diamond.2009.10.029

Abstract

Vertically aligned carbon nanotube (VACNT) arrays were synthesized using a microwave-plasma-enhanced chemical vapor deposition (MPECVD) system for polymer electrolyte fuel cell (PEMFC) electrode applications. Platinum nanoparticles (Pt NPs) were deposited on as grown VACNT arrays by a DC sputtering system. Pt NPs in the size range of 3–5 nm were formed on the CNT surfaces. X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Raman spectroscopy and electron microscopy were employed to study the structural and chemical bonding changes post deposition of Pt NPs. Variable particle density along the nanotube length was observed with cluster formation on tip ends and individual Pt NPs forming farthest away from tip ends. Change observed in the C1s and N1s core level spectra and its possible implications on the Pt/VACNT properties were also discussed.Copyright Elsevier

Item Type:Journal article
Keywords:Nanotubes; Sputtering; High resolution electron microscopy; XPS
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:6052
Deposited By:Mrs Ann Blair
Deposited On:13 Jan 2010 09:37
Last Modified:07 Apr 2014 11:51

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