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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 19    No. 6    December 2009

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Microwave-assisted synthesis and characterization of ZnO-nanorod arrays
ZHU Jian-yu(朱建裕)1, 2, 3 , ZHANG Jing-xia(张静霞)2, ZHOU Hui-fen(周慧芬)2,
QIN Wen-qing(覃文庆)2, 3, CHAI Li-yuan(柴立元)

1. School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China;
2. School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China;
3. Key Laboratory of Biometallurgy of Ministry of Education, Central South University, Changsha 410083, China

Abstract:High density ZnO-nanorod arrays (rod length 1.59 μm) were successfully synthesized via a microwave-assisted solution-phase method using zinc chloride and ammonia solution as reactants. The influence of concentration of ammonia solution, work power, and microwave irradiation time on the morphology and size of final products was carefully investigated. The crystal structure, chemical composition and morphologies of final products were characterized using X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence (PL). The as-synthesized ZnO is composed of single crystalline and possesses three photoluminescence emissions centered at 400, 469 and 534.5 nm, respectively.

 

Key words: ZnO-nanorod arrays; microwave-assisted synthesis; photoluminescence

ISSN 1672-7029
CN 43-1423/U

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