Activated carbon catalyzing the formation of carbon nanotubes

被引：8

作者：

Song, Jinling ^{[1
,2
]}

Feng, Shouai ^{[1
]}

Zhao, Jianghong ^{[1
]}

Zheng, Jianfeng ^{[1
]}

Zhu, Zhenping ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China

[2] Inner Mongolia Univ Sci & Technol, Sch Rare Earth, Inner Mongolia 014010, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2010年 / 45卷 / 09期

关键词：

Amorphous materials; Nanostructures; Vapor deposition; Electron microscopy; CATALYTIC GROWTH; SINGLE; MECHANISM; SIZE;

D O I：

10.1016/j.materresbull.2010.05.010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Activated carbon (AC), a common carbon material, is employed as catalyst to synthesize carbon nanotubes (CNTs) through chemical vapor deposition (CVD) and detonation-assisted CVD methods. The results show AC can effectively catalyze CNT formation. From the microscopic observations on morphologies and structures of the formed intermediates, it is found that carbon-catalyzed CNT formation follows particle-wire-tube stepwise evolution mechanism, in which carbon nanoparticles first assemble into wire-like nanostructures, then evolve into nanotubes via particle-particle coalescence and structural crystallization. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1234 / 1239

页数：6

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