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
收藏
页码：87 / 91
页数：5
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