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B-C-N, C-N and B-N nanotubes produced by the pyrolysis of precursor molecules over Co catalysts

Sen, Rahul and Satishkumar, BC and Govindaraj, A and Harikumar, KR and Raina, Gargi and Zhang, Jin-Ping and Cheetham, AK and Rao, CNR (1998) B-C-N, C-N and B-N nanotubes produced by the pyrolysis of precursor molecules over Co catalysts. In: Chemical Physics Letters, 287 (5-6). pp. 671-676.

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Abstract

: B-C-N, C-N and B-N nanotubes, prepared by the pyrolysis of the appropriate precursor compounds around 1000 degrees C in an atmosphere of argon. have been examined by electron microscopy and other techniques. The compositions of the nanotubes have been analysed by electron energy loss spectroscopy and X-ray photoelectron spectroscopy. There is significant compositional variation in B-C-N and C-N nanotubes. Properties of the B-C-N and C-N nanotubes have been compared with those of carbon nanotubes, particularly with respect to the I-V characteristics as obtained from UHV-STM studies. The near absence of B-N nanotubes on pyrolysing the appropriate precursor compound, and other observations made in the present study, indicate the crucial role played by carbon in the initial nucleation and growth of nanotubes

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 25 Feb 2009 10:35
Last Modified: 19 Sep 2010 05:00
URI: http://eprints.iisc.ernet.in/id/eprint/18150

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