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Catalyst-Free Synthesis of Single-Wall Boron Nitride Nanotubes via Laser Ablation

Published online by Cambridge University Press:  15 March 2011

Roland S. Lee ,
Julie Gavillet ,
Marc Lamy de la Chapelle ,
Jean-Lou Cochon ,
Daniel Pigache ,
Jany Thibault ,
François Willaime  and
Annick Loiseau
Roland S. Lee
Affiliation:
LEM, CNRS-ONERA (UMR104), Chatillon Cedex, FRANCE
Julie Gavillet
Affiliation:
LEM, CNRS-ONERA (UMR104), Chatillon Cedex, FRANCE
Marc Lamy de la Chapelle
Affiliation:
LEM, CNRS-ONERA (UMR104), Chatillon Cedex, FRANCE
Jean-Lou Cochon
Affiliation:
ONERA, Palaiseau Cedex, France
Daniel Pigache
Affiliation:
ONERA, Palaiseau Cedex, France
Jany Thibault
Affiliation:
SP2M: DRFMC, CENG, 85X, Grenoble Cedex, France
François Willaime
Affiliation:
SRMP, CEA Saclay, Gif sur Yvette Cedex
Annick Loiseau
Affiliation:
LEM, CNRS-ONERA (UMR104), Chatillon Cedex, FRANCE
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Abstract

Boron nitride nanotubes (BN-NTs) were synthesized in “mass” quantities (∼0.6 g/h) using a continuous CO2 laser ablation reactor described in the literature [1]. High-resolution electron microscopy (HRTEM) analyses have shown the nanotubes to be organized in “ropes” comprising ∼10 tubes. Analysis of HRTEM images indicate that the majority of the tubes are zig-zag. The chemical composition of the tubes was confirmed using electron energy loss spectroscopy (EELS) analysis, which also determined that nanoparticles terminating tube ends were composed of pure boron covered by BN fullerene-like “cages”. The growth mechanism of the nanotubes seems to be “root-based” with tubes growing from boron nanoparticles dispersed throughout the samples; the non-particle-terminated ends of the tubes exhibit flat “caps” characteristic of BN-NTs [2].

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 633: Symposium A – Nanotubes and Related Materials , 2000 , A15.3
Copyright
Copyright © Materials Research Society 2001

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