Synthesis and field emission of four kinds of ZnO nanostructures: nanosleeve- fishes, radial nanowire arrays, nanocombs and nanoflowers

被引：84

作者：

Xu, Feng ^{[1
]}

Yu, Ke ^{[1
]}

Li, Guodong ^{[1
]}

Li, Qiong ^{[1
]}

Zhu, Ziqiang ^{[1
]}

机构：

[1] E China Normal Univ, Dept Elect Engn, Shanghai 200062, Peoples R China

来源：

NANOTECHNOLOGY | 2006年 / 17卷 / 12期

关键词：

D O I：

10.1088/0957-4484/17/12/005

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Four different hierarchical ZnO nanostructures, including nanosleeve-fishes, radial nanowire arrays, nanocombs and nanoflowers, have been successfully fabricated through thermal chemical vapour deposition by adjusting the source temperature and the gas flow rate. Field emission measurements of these nanostructures showed a high emission current density and a low turn-on field of 1.3, 1.9, 2.5 and 3.4 V mu m(-1) in sequence, which is comparable to that of one-dimensional ZnO nanostructures and carbon nanotubes. The good performance for field emission makes the hierarchical ZnO nanostructures promising candidates for further applications in field emission microelectronic devices.

引用

页码：2855 / 2859

页数：5

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