Synthesis of Aligned Few-Walled Carbon Nanotubes on Conductive Substrates

被引：19

作者：

Kim, Hyung Seok ^{[1
]}

Kim, Byungwoo ^{[1
]}

Lee, Byeongdu ^{[3
]}

Chung, Haegeun ^{[1
]}

Lee, Cheol Jin ^{[2
]}

Yoon, Ho Gyu ^{[1
]}

Kim, Woong ^{[1
]}

机构：

[1] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea

[2] Korea Univ, Sch Elect Engn, Seoul 136713, South Korea

[3] Argonne Natl Lab, Xray Sci Div, Argonne, IL 60439 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 42期

基金：

新加坡国家研究基金会;

关键词：

DIRECT GROWTH;

D O I：

10.1021/jp9078162

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report a robust synthesis of densely aligned few-walled carbon nanotubes on industrially useful conductive substrates such as carbon fibers and carbon papers. This was achieved by water-assisted chemical vapor deposition using an Al/Fe bimetallic catalyst and a thin epoxy-based polymer layer beneath the catalyst. The carbon nanotubes had a mean diameter of 6 nm, mainly double walls, and lengths up to a couple of millimeters. Raman spectroscopy showed high G-band/D-band intensity ratio (>5) indicating high quality of the nanotubes. They were tightly bound and electrically connected to the substrates, as confirmed by ultrasonication test and enhanced cyclic voltammetry signals, respectively. High quality carbon nanotubes synthesized on conductive substrates may find applications in fuel cells, lithium-ion batteries, and field embitters.

引用

页码：17983 / 17988

页数：6

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