Effects of Residual Gas Exposure on the Field Emission Properties of ZnO Nanorods

被引：1
|
作者：
Mo, Y. [1 ]
Jones, J. D. [1 ]
Neogi, A. [1 ]
Fujita, Y. [2 ]
Perez, J. M. [1 ]
机构：
[1] Univ N Texas, Dept Phys, Denton, TX 76203 USA
[2] Shimane Univ, Interdisciplinary Fac Sci & Engn, Matsue, Shimane 6908504, Japan
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 04期
关键词：
ZnO; Nanostructures; Cold Cathode; Field Emission; Gas Exposure; H-2; MORPHOLOGIES; ENHANCEMENT; O-2;
D O I：
10.1166/jnn.2011.3759
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We compare the effects of O-2, CO2, N-2, H-2, and Ar residual gas exposure on the field emission (FE) properties of ZnO nanorods. In contrast to carbon nanotubes and Mo metal microtips, we find that O-2 and CO2 exposures do not significantly degrade the FE properties of ZnO nanorods. However, N-2 exposure significantly degrades the FE properties. We propose that this could be due to the dissociation of N-2 into atomic nitrogen species and the reaction of such species with ZnO. H-2 and Ar exposures are not observed to significantly degrade the FE properties.
引用
收藏
页码：3630 / 3634
页数：5
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