Characteristics of ZnO Particles Prepared by Au-catalyzed Phase Transport Technique

Chemical Research in Chinese Universities ›› 2010, Vol. 26 ›› Issue (5): 675-677.

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Characteristics of ZnO Particles Prepared by Au-catalyzed Phase Transport Technique

HU Shi-qi, HUANG Ke-ke, HOU Chang-min, YUAN Hong-ming, HU Bin and FENG Shou-hua*

State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China

Received:2009-09-24 Revised:2009-11-15 Online:2010-09-25 Published:2010-11-26
Contact: FENG Shou-hua. E-mail: shfeng@jlu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(Nos.20631010 and 90922034) and the Graduate Innovation Fund of “985” Program of Jilin University, China.

Abstract

Abstract: ZnO particles were prepared by Au-catalyzed vapor phase transport method on silicon substrate. Scanning electron microscopy(SEM) images show many ZnO particles were formed on the sample surface. They grew up layer by layer along the c-axis, which was confirmed by the results of X-ray diffraction(XRD). The morphology of ZnO particles is close to hemisphere and its formation process could be seen from the SEM image. The room temperature photoluminescence(PL) measurement revealed a narrow UV emission peak at 3.27 eV and a broad green emission peak at 2.45 eV, which was caused by the near-band-edge and deep-level emissions.

Key words: ZnO, Au-catalyzed, Vapor phase transport, Photoluminescence

HU Shi-qi, HUANG Ke-ke, HOU Chang-min, YUAN Hong-ming, HU Bin and FENG Shou-hua*. Characteristics of ZnO Particles Prepared by Au-catalyzed Phase Transport Technique[J]. Chemical Research in Chinese Universities, 2010, 26(5): 675-677.

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Characteristics of ZnO Particles Prepared by Au-catalyzed Phase Transport Technique

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