Electronic Structure and Optical Properties of Vertically Aligned ZnO Nanorod Arrays Grown by Low-temperature Hydrothermal Method

doi:10.3724/SP.J.1077.2010.10636

Journal of Inorganic Materials ›› 2011, Vol. 26 ›› Issue (3): 332-336.DOI: 10.3724/SP.J.1077.2010.10636

• Research Letter • Previous Articles

Electronic Structure and Optical Properties of Vertically Aligned ZnO Nanorod Arrays Grown by Low-temperature Hydrothermal Method

SUN Ying- L an¹, BIAN Ji-Ming¹,², SUN Jing-Chang³, LIANG Hong-Wei¹, ZOU Chong-Wen⁴, L UO Ying-Min¹

1.School of Physics and OptoelectronicTechnology,Dalian University of Technology, Dalian116024, China; 2. International Centre for Materials Physics,Chinese Academyof Sciences, Shenyang 110016, China; 3.School of Physics and Electronic Technology,Liaoning Normal University ,Dalian 116024, China;4. School of Engineering, The University of Auckland, Private Bag 92019,Auckland, New Zealand

Received:2010-09-27 Revised:2010-12-03 Published:2011-03-20 Online:2011-02-18
About author:SUN Ying-Lan (1984-), female,candidate of master.
Supported by:
Foundation item:National Nature Science Foundation of China (10804014) ; The Fundamental Research Funds for the Central Universities (DUT10LK01)

Abstract

Abstract: ZnO nanorod arrays were grown on Si substrate utilizing low-temperature hydrothermal method. The X-ray diffraction (XRD) and scanning electron microscope (SEM) measurements were carried out to investigate the crystalline and morphology ofthe as-grown ZnO nanorods. Results indicate that the hexagonal prism ZnO nanorodarrays are well-aligned along the c-axis and distribute densely and uniformly on the substrate. The room temperature photoluminescence(PL) spectra demonstrate that high optical quality ZnO nanorod arrays could be achieved by this low temperature hydrothermal process. X-ray absorption near-edgespectroscopy (XANES) measurements at O K-edge were carried out with synchrotron radiation to investigate the local electronic structure of ZnO nanorod arrays with different diameter, and the electronic structure dependence on the diameter was discussed. In addition, the contrast of local electric structure for ZnO nanorods and thin film were also discussed.

Key words: ZnO nanorodarrays, hydrothermal, photoluminescence, X-ray absorption near-edgespectroscope

CLC Number:

TB34

SUN Ying- L an, BIAN Ji-Ming, SUN Jing-Chang, LIANG Hong-Wei, ZOU Chong-Wen, L UO Ying-Min. Electronic Structure and Optical Properties of Vertically Aligned ZnO Nanorod Arrays Grown by Low-temperature Hydrothermal Method[J]. Journal of Inorganic Materials, 2011, 26(3): 332-336.

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Electronic Structure and Optical Properties of Vertically Aligned ZnO Nanorod Arrays Grown by Low-temperature Hydrothermal Method

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