Boron mediated synthesis of multiwalled carbon nanotubes by chemical vapor deposition

被引：19

作者：

Mondal, Kartick C.

Coville, Neil J.

Witcomb, Michael J.

Tejral, Gracian

Havel, Josef

机构：

[1] Univ Witwatersrand, DSTINRF, Ctr Excellence Strong Mat, ZA-2050 Wits, South Africa

[2] Univ Witwatersrand, DSTINRF, Sch Chem, ZA-2050 Wits, South Africa

[3] Univ Witwatersrand, Electron Microscope Unit, ZA-2050 Wits, South Africa

[4] Masaryk Univ, Fac Sci, Dept Analyt Chem, Brno 61137, Czech Republic

[5] Masaryk Univ, Fac Sci, Dept Analyt Chem, Brno 61137, Czech Republic

[6] Masaryk Univ, Fac Sci, Lab Plasma Phys, Brno 61137, Czech Republic

来源：

CHEMICAL PHYSICS LETTERS | 2007年 / 437卷 / 1-3期

基金：

新加坡国家研究基金会;

关键词：

D O I：

10.1016/j.cplett.2007.01.079

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：

A CVD procedure has been used for the attempted synthesis of boron-doped multiwalled carbon nanotubes using BF-I/MeOH as the boron-source, Fe/Ca(BO3)(2)/CaCO3 as catalyst and acetylene as the carbon-source. The boron-doped multimalled carbon nanotubes were characterized by TEM, Raman spectroscopy and laser ablation mass spectrometry analysis. Variation of the boron concentration was achieved by diluting the boron-source with MeOH and dilution resulted in: (i) a higher yield of carbon material, (ii) a less disordered material and (iii) a decrease in intensity in the first- and second-order Raman spectra of boron-doped multi walled carbon nanotubes. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：87 / 91

页数：5

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