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 highresolution 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 vaporsolid mechanism.
Keywords: Nanoneedle, activated reactive evaporation, ZnO, gas phase, nanostructures on flexible substrates
Current Nanoscience
Title: Synthesis of ZnO Nanoneedles on Flexible Polymer Substrates at Room Temperature by Activated Reactive Evaporation
Volume: 5 Issue: 3
Author(s): D. Yuvaraj, K. K. Nanda and K. Narasimha Rao
Affiliation:
Keywords: Nanoneedle, activated reactive evaporation, ZnO, gas phase, nanostructures on flexible substrates
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 highresolution 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 vaporsolid mechanism.
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Cite this article as:
Yuvaraj D., Nanda K. K. and Rao Narasimha K., Synthesis of ZnO Nanoneedles on Flexible Polymer Substrates at Room Temperature by Activated Reactive Evaporation, Current Nanoscience 2009; 5 (3) . https://dx.doi.org/10.2174/157341309788921444
DOI https://dx.doi.org/10.2174/157341309788921444 |
Print ISSN 1573-4137 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6786 |
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