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Current Nanoscience

Volume 5 Issue 3
ISSN: 1573-4137
eISSN: 1875-6786


   All Titles

  Synthesis of ZnO Nanoneedles on Flexible Polymer Substrates at Room Temperature by Activated Reactive Evaporation
  pp.283-288 (6) Authors: D. Yuvaraj, K. K. Nanda, K. Narasimha Rao

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
  Affiliation: Department of Instrumentation, Indian Institute of Science, Bangalore, India.
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