Study of the crystallinity of ZnO in the Zn/ZnO nanocable heterostructures

被引:22
作者
Wong, YH [1 ]
Li, Q [1 ]
机构
[1] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
关键词
D O I
10.1039/b400646a
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Coaxial Zn/ZnO core-shell nanocable heterostructures with diameters similar to100 nm were synthesized via thermal reduction of ZnO by H-2. The products were characterized by X-ray powder diffraction, scanning electron microscopy, transmission electron microscopy and cathodoluminescence. In some of the samples, an epitaxial relationship was found between the Zn core and the ZnO outer shell aside from the large lattice mismatch (17%) between Zn and ZnO. Systematic studies were carried out using different fabrication parameters in order to find out the formation mechanism of the ZnO layer with different crystallinity and the origin of the epitaxy between Zn and ZnO.
引用
收藏
页码:1413 / 1418
页数:6
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