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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786Structural and Optical Properties of Well-Aligned...

Structural and Optical Properties of Well-Aligned ZnO Nanorod Arrays Grown by a Hydrothermal Method

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Abstract:

In this paper, vertically aligned ZnO nanorod arrays were synthesized by a simple hydrothermal process. The microstructure, morphology and optical properties of the as-prepared samples were characterized by x-ray diffraction (XRD), scanning electron microscope (SEM) and photoluminescence spectrum (PL). The results show that the vertically aligned ZnO nanorod arrays are hexagonal wurtzite structures with the high (002)-orientation. At room temperature, the PL measurements illustrate that the as-prepared ZnO nanorod arrays exhibit a strong ultraviolet (UV) emission centered at about 378nm and a broad yellow-green emission centered at about 554 nm. A possible origin of the yellow-green emission of the ZnO nanorod arrays related to the intrinsic defect is proposed.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

436-439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.436

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Online since:

September 2013

Authors:

Jiang Ni Yun, Tieen Yin, Zhi Yong Zhang, You Guang Zhang

Keywords:

Optical Property, Structural Property, ZnO Nanorod Arrays

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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