Synthesis and photoluminescence properties of the ZnO@SnO2 core–shell nanorod arrays

The ZnO@SnO 2 core–shell nanorod arrays have been synthesized. As the cores, ZnO nanorod arrays were first prepared by aqueous chemical growth method. Then using a simple liquid-phase deposition method, SnO 2 was deposited on the ZnO nanorod arrays. Scanning electron microscopy, transmission electro...

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Veröffentlicht in:Journal of materials science 2012-02, Vol.47 (3), p.1541-1545
Hauptverfasser: Tu, Ya-Fang, Fu, Qiu-Ming, Sang, Jian-Ping, Zou, Xian-Wu
Format: Artikel
Sprache:eng
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Zusammenfassung:The ZnO@SnO 2 core–shell nanorod arrays have been synthesized. As the cores, ZnO nanorod arrays were first prepared by aqueous chemical growth method. Then using a simple liquid-phase deposition method, SnO 2 was deposited on the ZnO nanorod arrays. Scanning electron microscopy, transmission electron microscopy, and X-ray diffraction were used to characterize the morphologies and structures of the products. Photoluminescence properties were also investigated. It was found that the ZnO@SnO 2 core–shell nanorod arrays showed enhanced UV and green emissions when compared with the bare ZnO nanorod arrays.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-011-5944-3