Self-standing geometry of aligned carbon nanotubes with high surface area

被引：20

作者：

Dasgupta, K. ^{[1
]}

Kar, Soumitra ^{[2
]}

Venugopalan, Ramani ^{[1
]}

Bindal, R. C. ^{[2
]}

Prabhakar, S. ^{[2
]}

Tewari, P. K. ^{[2
]}

Bhattacharya, S. ^{[3
]}

Gupta, S. K. ^{[3
]}

Sathiyamoorthy, D. ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Powder Met Div, Bombay 400085, Maharashtra, India

[2] Bhabha Atom Res Ctr, Desalinat Div, Bombay 400085, Maharashtra, India

[3] Bhabha Atom Res Ctr, Tech Phys & Prototype Engn Div, Bombay 400085, Maharashtra, India

来源：

MATERIALS LETTERS | 2008年 / 62卷 / 12-13期

关键词：

chemical vapour deposition; electron microscopy; carbon nanotube; surface area;

D O I：

10.1016/j.matlet.2007.10.057

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper we report the development of self-standing tubular geometry of aligned carbon nanotubes with very high surface area (similar to 90 m(2)/g). The synthesis involves spray pyrolysis of ferrocene-benzene solution in nitrogen atmosphere. The effects of temperature, ferrocene concentration, flow rate of nitrogen gas and the pumping rate of the liquid precursor were studied. The products were analyzed with transmission electron microscopy (TEM), scanning electron microscopy (SEM) and Raman spectroscopy. The optimum condition for formation of macro-tubular geometry was found to be 950 degrees C, 50 mg/ml ferrocene in benzene, 1.5 ml/min pumping rate of liquid precursor and 5 lpm of nitrogen gas flow rate. The length and the diameter of the macrotube were 5 cm and 1 cm respectively with a thickness of 120 mu m. The authors intend to use this tube in separation technology. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1989 / 1992

页数：4

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