Field-emission performance of wormhole-like mesoporous tungsten oxide nanowires

被引：8
作者：
Lai, Wei Hao [1 ,2 ]
Hon, Min Hsiung [1 ]
Teoh, Lay Gaik [3 ]
Su, Yen Hsun [4 ]
Shieh, Jiann [5 ]
Chen, Chu Kun [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 70101, Taiwan
[2] Solar Appl Mat Technology Corp, Tainan 70955, Taiwan
[3] Natl Pingtung Univ Sci & Technol, Dept Mech Engn, Neipu 91201, Pingtung, Taiwan
[4] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan
[5] Natl Nano Device Labs, Hsinchu 30050, Taiwan
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2008年 / 37卷 / 08期
关键词：
field emission; mesoporous; nanowires;
D O I：
10.1007/s11664-008-0474-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We prepared wormhole-like mesoporous tungsten oxide nanowires on a Cu-tape/Si substrate, and explored the field-emission performances. The wormhole-like mesoporous tungsten oxide nanowires of 20 nm diameter exhibited excellent field-emission properties with extremely low turn-on and threshold fields (emission current density of 10 mu A/cm(2) and 10 mA/cm(2) of 0.083 V/mu m and 1.75 V/mu m, respectively, as well as current stability of about 1400 mu A/cm(2) at a fixed field of 0.67 V/mu m. This approach provides an efficient methodology for fabricating a field emitter that is expected to work at low voltage and can be used in field-emission displays.
引用
收藏
页码：1082 / 1087
页数：6
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