Issue 20, 2011
From the journal:

CrystEngComm

ZnO microrod arrays grown on a curved sphere surface and their optical properties

Haijun Zhang,a   Xiang Wu,*b   Fengyu Qub  and  Guogang Zhao*a  

* Corresponding authors

a College of Materials Science and Engineering, Heilongjiang Institute of Science and Technology, Harbin, P. R. China
E-mail: ggzhao@usth.edu.cn

b Key Laboratory of Design and Synthesis of Functional Materials and Green Catalysis, Colleges of Heilongjiang Province and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin, P. R. China
E-mail: wuxiang05@gmail.com

Abstract

In this work, ZnO microrod arrays were successfully synthesized on a curved sphere surface through thermal evaporation of a mixture of ZnS and Zn powders and using Zn foil as the substrate. Results indicated the as-grown ZnO microrod has a smooth top with an average diameter of 500 nm and a length of 1 μm. The formation mechanism of such ZnO structure is investigated through comparative experiments with varied gas flow ratios and the types of the source material. Photoluminescence of ZnO microrod exhibited a near band edge emission peak at 387nm, as well as a weak and wide peak at 509 nm induced by defect states. ZnO microrod arrays presented here have potential applications in lasers and transducers.

Graphical abstract: ZnO microrod arrays grown on a curved sphere surface and their optical properties

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Article information

DOI
https://doi.org/10.1039/C1CE05457K
Article type
Paper
Submitted
18 Apr 2011
Accepted
04 Jul 2011
First published
15 Aug 2011

CrystEngComm, 2011,13, 6114-6117

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ZnO microrod arrays grown on a curved sphere surface and their optical properties

H. Zhang, X. Wu, F. Qu and G. Zhao, CrystEngComm, 2011, 13, 6114 DOI: 10.1039/C1CE05457K

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