Field emission property of multi-walled carbon nanotubes with different carbon sources in a fluidized bed reactor

被引：7

作者：

Son, Seung-Yong ^{[1
]}

Lee, Yoong ^{[1
]}

Lee, Dong Hyun ^{[1
]}

Kim, Sang Done ^{[3
,4
]}

Sung, Su-Hwan ^{[2
]}

Hong, Sang-Young

Cho, Shin-Je

机构：

[1] Sungkyunkwan Univ, Dept Chem Engn, Seoul, South Korea

[2] Kyungpook Natl Univ, Dept Chem Engn, Taegu, South Korea

[3] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Seoul, South Korea

[4] Korea Adv Inst Sci & Technol, Energy & Environm Res Ctr, Seoul, South Korea

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2008年 / 69卷 / 5-6期

关键词：

nanostructures; vapour deposition; electron microscopy;

D O I：

10.1016/j.jpcs.2007.10.097

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The carbon nanotubes (CNTs) synthesized at various reaction conditions (reaction temperature, gas environment, and the ratio of mixture gas) using catalytic chemical vapor deposition (CCVD) in a fluidized bed reactor have quite different properties according to their tube diameter and crystallinity. Macroscopic field emission properties of the CNT film have been determined by a vacuum field emission system that displays the integrated field emission using a phosphor ITO-glass screen. Field emission properties of multi-walled carbon nanotubes (MWCNTs) depend on their electrical conductivity and structural quality such as the tube diameter and crystallinity (I-D/I-G). The smaller the mean diameter and the higher the crystallinity of the CNTs. the better the field emission properties could be achieved. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1188 / 1193

页数：6

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