期刊
CHEMICAL PHYSICS LETTERS
卷 316, 期 3-4, 页码 211-216出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(99)01277-4
关键词
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Various techniques including plasma-are, laser ablation, and chemical vapor-phase synthesis have been employed to produce bulk amounts of non-carbon (such as boron nitride, BN) nanotubes with some success, but in general the yields are low. We describe a new high-yield plasma-are method that easily and reliably produces macroscopic amounts of pure BN nanotubes. Interestingly, the method produces almost exclusively double-walled nanotubes; these in turn self-assemble into BN nanotube bundles or ropes. Our synthesis method also produces BN-coated crystalline nanoparticles, whose cores can be preferentially etched leaving behind hollow BN 'nanococoons'. (C) 2000 Elsevier Science B.V. All rights reserved.
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