Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2168675
Title: Catalyst-free pulsed-laser-deposited ZnO nanorods and their room-temperature photoluminescence properties
Authors: Liu, Z.W. 
Ong, C.K. 
Yu, T.
Shen, Z.X.
Issue Date: 2006
Citation: Liu, Z.W., Ong, C.K., Yu, T., Shen, Z.X. (2006). Catalyst-free pulsed-laser-deposited ZnO nanorods and their room-temperature photoluminescence properties. Applied Physics Letters 88 (5) : 1-3. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2168675
Abstract: ZnO nanorods with various diameters were synthesized on both sapphire and silicon substrates by a pulsed-laser-deposition technique without a catalyst using relatively high background oxygen pressure (5-20 Torr) and substrate temperature (550 °C-700 °C). The photoluminescence (PL) properties of the nanorods were investigated. The difference in PL emission intensity for the samples produced at various oxygen pressures has been attributed to the size difference and surface status of the nanorods. The increased deep level emission with increasing temperature resulted from the size difference and increasing oxygen evaporating. The effect of substrate nature on the PL property has also been investigated. © 2006 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/95929
ISSN: 00036951
DOI: 10.1063/1.2168675
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