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Self catalytic growth of SnO2 branched nanowires by thermal evaporation

Kumar, Rakesh R and Rao, Narasimha K and Phani, AR (2013) Self catalytic growth of SnO2 branched nanowires by thermal evaporation. In: MATERIALS LETTERS, 92 . pp. 243-246.

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Official URL: http://dx.doi.org/10.1016/j.matlet.2012.10.075


For the first time, Tin oxide (SnO2) multiple branched nanowires (NWs) have been synthesized by thermal evaporation of tin (Sn) in presence of oxygen without use of metal catalysts at low substrate temperature of 500 degrees C. Synthesized product consists of multiple branched nanowires and were single crystalline in nature. Each of the nanowire capped with catalyst particle at their ends. Energy dispersive X-ray analysis on the nanowires and capped nanoparticle confirms that Sn act as catalyst for SnO2 nanowires growth. A self catalytic vapor-liquid-solid (VLS) growth mechanism was proposed to describe the SnO2 nanowires growth. (C) 2012 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the ELSEVIER SCIENCE BV, NETHERLANDS.
Keywords: Nanocrystalline materials; SnO2 nanowires; Low temperature growth; Self catalytic growth; Physical vapor deposition
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited: 09 Apr 2013 10:01
Last Modified: 09 Apr 2013 10:01
URI: http://eprints.iisc.ac.in/id/eprint/46325

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