Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 135, Issue 1, Pages 112-116Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2012.04.032
Keywords
Nanostructures; Oxidation; Piezoelectricity; Nanogenerator
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Funding
- National Science Council of the Republic of China, Taiwan [NSC 100-2221-E-033-013-MY3]
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This work presents a rapid and simple synthesis procedure for ZnO nanowires (NWs) array by using the vapor solid (VS) method. Experimental results indicate that the length and diameter of the grown ZnO NWs are associated with the temperature effect, while the growth density of NWs is strongly related to gas flux during the VS process. Additionally, the synthesized ZnO NWs possess specific crystalline qualities, making them highly promising for piezoelectric device applications. Therefore a piezoelectric type nanogenerator based on the ZnO NWs is also designed in this work, with a high output of piezoelectric current of 0.6 mu A cm(-2) obtained as well. Our results further demonstrate the feasibility of applying piezoelectric energy via the rapidly grown ZnO NWs array. (C) 2012 Elsevier B.V. All rights reserved.
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