Obtaining carbon nanotubes from grass

doi:10.1088/0957-4484/16/8/036

Obtaining carbon nanotubes from grass

Zhenhui Kang et al 2005 Nanotechnology 16 1192-1195 doi: 10.1088/0957-4484/16/8/036

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Zhenhui Kang¹, Enbo Wang¹, Baodong Mao¹, Zhongmin Su², Lei Chen¹ and Lin Xu¹
¹ Institute of Polyoxometalate Chemistry, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, People's Republic of China
² Institute of Functional Materials, Department of Chemistry, Northeast Normal University, Changchun, Jilin 130024, People's Republic of China
E-mail: wangenbo@public.cc.jl.cn

Abstract. Multi-walled carbon nanotubes (MCNTs) can be obtained by heating grass in the presence of a suitable amount of oxygen. Grass contains a large amount of vascular bundles in the stem and nervation. The major compositions of them are cellulose, hemicellulose and lignin. In the present approach, a rapid heat treatment (at about 600 °C) and the participation of oxygen make the vascular bundles become dehydrated and turn into carbon nanotubes. The diameters of the carbon nanotubes obtained are between 30 and 50 nm.

Print publication: Issue 8 (August 2005)
Received 14 November 2004, in final form 19 April 2005
Published 20 May 2005

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