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

页码：1082 / 1087

页数：6

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