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Synthesis of ZnO Nanoneedles on Flexible Polymer Substrates at Room Temperature by Activated Reactive Evaporation

Yuvaraj, D and Nanda, KK and Rao, K Narasimha (2009) Synthesis of ZnO Nanoneedles on Flexible Polymer Substrates at Room Temperature by Activated Reactive Evaporation. In: Current Nanoscience, 5 (3). pp. 283-288.

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Official URL: http://www.benthamdirect.org/pages/content.php?CNA...

Abstract

ZnO nanoneedles were successfully deposited on flexible polymer substrates at room temperature by activated reactive evaporation. Neither a catalyst nor a template was employed in this synthesis. These synthesized needles measured 500 - 600 nm in length and its diameter varied from 30 - 15 nm from the base to the tip. The single-crystalline nature of the nanoneedle was observed by high-resolution transmission electron microscopy studies. The Raman studies on these nanoneedles had shown that they are oxygen deficient in nature. A possible growth mechanism has been proposed here, in which the nanoneedles nucleate and grow in the gas phase by vapor-solid mechanism.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Bentham Science Publishers Ltd.
Keywords: Nanoneedle; activated reactive evaporation; ZnO; gas phase; nanostructures on flexible substrates
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Physical & Mathematical Sciences > Instrumentation and Applied Physics (Formally ISU)
Date Deposited: 02 Dec 2009 05:04
Last Modified: 02 Dec 2009 05:04
URI: http://eprints.iisc.ernet.in/id/eprint/24992

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