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Preparation and Characterization of MWCNT/ZnO nanoparticles Hybrid

Sameera, I and Bhatia, Ravi and Prasad, VGS (2010) Preparation and Characterization of MWCNT/ZnO nanoparticles Hybrid. In: 1st International Conference on Advanced Nanomaterials and Nanotechnology, DEC 09-11, 2009, Guwahati, INDIA, pp. 169-174.

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Abstract

ZnO nanoparticles (ZnO NPs) were grown on the surface of multiwall carbon nanotubes (MWCNTs) by a wet chemical synthesis route. The anchoring of ZnO NPs on acid-treated MWCNTs was achieved under remarkably mild reaction conditions (low temperature, atmospheric pressure, without any capping agents and no need for subsequent thermal annealing). MWCNT/ZnO NPs hybrid samples with varying loading of ZnO NPs are prepared. A very high degree of dispersion of ZnO NPs over the surface of MWCNT was achieved by suitably controlling the ratio of ZnO NPs and MWCNTs in the solution. The hybrid sample was characterized by electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy (XPS). Transmission electron microscope images of the as-prepared MWCNT/ZnO NPs hybrid reveal that mono-dispersed ZnO NPs are anchored stably on functionalized MWCNTs. The interaction of ZnO NPs with MWCNT surface was interpreted through XPS analysis.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to American Institute of Physics.
Keywords: Multiwall carbon nanotubes; zinc oxide nanoparticles; electron microscopy; X-ray photoelectron spectroscopy
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 23 Mar 2011 09:30
Last Modified: 23 Mar 2011 09:30
URI: http://eprints.iisc.ernet.in/id/eprint/36222

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