STRUCTURAL, OPTICAL AND ELECTRICAL PROPERTIES OF ZnO NANOROD ARRAY PREPARED BY HYDROTHERMAL PROCESS

被引：0
|
作者：
Shakti, Nanda [1 ]
Kumari, Sunita [1 ]
Gupta, P. S. [1 ]
机构：
[1] Indian Sch Mines, Dept Appl Phys, Dhanbad 826004, Jharkhand, India
来源：
JOURNAL OF OVONIC RESEARCH | 2011年 / 7卷 / 03期
关键词：
nanostructures; chemical synthesis; electron microscopy; photoluminescence; NANOWIRES; GROWTH;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
ZnO nanorods were synthesized on sol-gel prepared ZnO seed layer over p-Si substrate. The X-ray diffraction (XRD) of nanorods showed c - axis orientation perpendicular to the substrate. The Field emission scanning electron microscopy (FESEM) of the surface of the ZnO film showed vertical ZnO nanorods with hexagonal crossection. The diameter of the nanorods was of the order of 200 nm. The optical reflectance of the nanorod showed an absorption edge at the band gap of ZnO. The photoluminescence of nanorods showed UV emission at room temperature. The intensity of emission showed dependence on nanorod diameter. The current-voltage characteristics of ZnO nanorod films showed rectifying behaviour.
引用
收藏
页码：51 / 59
页数：9
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