Eur. Phys. J. Appl. Phys.
Volume 69, Number 1, January 2015
|Number of page(s)||7|
|Section||Nanomaterials and Nanotechnologies|
|Published online||27 January 2015|
Optimization and tuning of the aspect ratio of hydrothermally grown ZnO nanorods by varying the hydrothermal temperature and their electron transport properties
Institute of Fundamental Studies, Hantana Road, 20000
Kandy, Sri Lanka
2 Department of Physics, Univeristy of Peradeniya, 20400 Peradeniya, Sri Lanka
a e-mail: email@example.com
Revised: 9 October 2014
Accepted: 22 December 2014
Published online: 27 January 2015
In this investigation, a facile method to synthesize 1-D ZnO nanorod having different aspect ratio by varying the hydrothermal temperature was demonstrated. The hydrothermal reaction temperatures were optimized to obtain high aspect ratio ZnO nanorods with well-defined 1-D structures. The aspect ratio depended electron transport properties, charge recombination, chemical capacitance, life-time and charge diffusion length of 1-D ZnO nanostructures were investigated. It was observed a clear correlation between the aspect ratio and the electron transport properties of ZnO nanorods. The highest aspect ratio of 7.6 was obtained for the ZnO nanorods synthesized at 100–120 °C and was found to have the highest electron transport properties. It was demonstrated the formation of highly crystalline, high-aspect ratio 1-D ZnO nanorods with enhanced electron transport properties at low hydrothermal temperatures which will be beneficial for device applications.
© EDP Sciences, 2015
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