Catalyst free growth of a carbon nanotube-alumina composite structure

被引：59

作者：

Schneider, Joerg J. ^{[1
]}

Maksimova, Nadezda I. ^{[1
]}

Engstler, Joerg ^{[1
]}

Joshi, Ravi ^{[1
]}

Schierholz, Roland

Feile, Rudolf ^{[2
]}

机构：

[1] Tech Univ Darmstadt, Eduard Zintl Inst Anorgan & Phys, D-64287 Darmstadt, Germany

[2] Tech Univ Darmstadt, Inst Festkorperphys, D-64289 Darmstadt, Germany

来源：

INORGANICA CHIMICA ACTA | 2008年 / 361卷 / 06期

关键词：

carbon nanotubes; aluminium oxide; porous template; CVD;

D O I：

10.1016/j.ica.2006.10.025

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Aligned arrays of multiwall carbon tubes (CNTs) were prepared within cylindrical pores of compact porous anodic aluminum oxide (PAOX) by a non-catalytic chemical vapor deposition (CVD) method. Optimum CNT synthesis conditions were determined for two crucial reaction parameters, e. g. the precursor gas flow and the reaction time for a given fixed reaction temperature. Gas phase oxidation followed by a wet chemical dissolution allows selective removal of carbon by-products from the surface of the CNT/PAOX composite without destroying its structure. The developed procedure opens up the way to obtain CNT/alumina composites with open, 2D arranged pores by a selective gas phase and solution chemical etching technique. (C) 2006 Elsevier B. V. All rights reserved.

引用

页码：1770 / 1778

页数：9

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