Growth and electron field emission of ZnO nanorods on diamond films

被引：15

作者：

Sang, Dandan ^{[1
]}

Li, Hongdong ^{[1
]}

Cheng, Shaoheng ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2011年 / 258卷 / 01期

基金：

中国国家自然科学基金;

关键词：

ZnO nanorods; Diamond films; Growth evolution; Electron field emission; LOW-TEMPERATURE; MECHANISMS; NANOWIRES;

D O I：

10.1016/j.apsusc.2011.08.060

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：

Zinc oxide (ZnO) nanorods grown on chemical vapor deposited diamond films by thermal vapor transport method have been investigated. In the initial growth status, the semi-spherical ZnO nuclei were preferably deposited near the growth steps on the terraces and the boundaries of diamond grains. With increasing the growth time, the [0 0 0 1] orientated ZnO nanorods appeared and further covered the whole diamond film. It is found that the size of diamond grains would determine the diameter of ZnO nanorods. The electron field emission properties of the ZnO nanorods/diamond system have been significantly improved with respect to pure diamond film. The feature of the ZnO nanorods grown on diamond films played an important role in further enhancing the electron field emission performances. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：333 / 336

页数：4

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