Field emission properties of low-density carbon nanotubes prepared on anodic aluminum-oxide template

被引：0

作者：

Jeong, SH

Lee, KH ^{[1
]}

机构：

[1] Samsung Adv Inst Technol, Suwon 440600, South Korea

[2] Pohang Univ Sci & Technol, Elect & Comp Engn Div, Pohang 790784, South Korea

[3] Pohang Univ Sci & Technol, Dept Chem Engn, Pohang 790784, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2004年 / 45卷 / 02期

关键词：

carbon nanotube; field emission; anodic aluminum oxide;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Anodic aluminum-oxide (AAO) templates were fabricated by two-step anodizing an Al film. After the Co catalyst had been electrochemically deposited onto the bottom of the AAO template, carbon nanotubes (CNTs) were grown by using catalytic pyrolysis Of C2H2 and H-2 at 650 degreesC. Overgrowth of CNTs with low density on the AAO templates was observed. The field-emission measurements on the samples showed a turn-on field of 2.17 V/mum and a field enhancement factor of 5700. The emission pattern on a phosphor screen was quite homogeneous over the area. at a, relatively low electric field.

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页码：L252 / L255

页数：4

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