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Hydrothermal zinc oxide nanowire growth with different zinc salts

Published online by Cambridge University Press:  02 August 2012

Mehmet Can Akgun ,
Aysegul Afal  and
Husnu Emrah Unalan
Mehmet Can Akgun
Affiliation:
Department of Micro and Nanotechnology, Middle East Technical University, Ankara 06800, Turkey
Aysegul Afal
Affiliation:
Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara 06800, Turkey
Husnu Emrah Unalan*
Affiliation:
Department of Micro and Nanotechnology, Middle East Technical University, Ankara 06800, Turkey; Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara 06800, Turkey; and Center for Solar Energy Research and Applications, Middle East Technical University, Ankara 06800, Turkey
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

The effect of the use of different zinc salts as zinc sources during hydrothermal growth of zinc oxide nanowires was systematically investigated. Change in the temperature, pH, and transmittance of the growth solutions prepared with three different zinc salts was monitored and used to provide a broad explanation to the effect of the salt. In addition to conventional heating process, microwave heating of the growth solutions was also performed, and differences in the ZnO nanowires synthesized through both heating methods were examined. It was found that ionization of zinc in growth solutions is influencing the formation of ZnO nanowires leading to growth with different aspect ratios, and zinc acetate dihydrate salt allows the synthesis of nanowires with the highest aspect ratio.

Type
Articles
Information
Journal of Materials Research , Volume 27 , Issue 18 , 28 September 2012 , pp. 2401 - 2407
Copyright
Copyright © Materials Research Society 2012

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