期刊
CHEMICAL PHYSICS LETTERS
卷 321, 期 1-2, 页码 169-174出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(00)00307-9
关键词
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A method to functionalize nanotubes by filling could enable the creation of new materials for molecular scale devices. Here we report the synthesis of chains of C-60 molecules inside single-wall carbon nanotubes (SWNTs). C-60 molecules are seen to deposit on the surfaces of SWNTs from the gas phase and to enter the tubes, ostensibly via defects. They subsequently self-assemble into Van der Waals interacting chains, called 'bucky-peapods.' Upon high temperature annealing, encapsulated C-60 molecules coalesce into interior tubes, forming pairs of nested graphene cylinders. The synthesis methods described herein suggest a more general way in which nanotubes may be functionalized. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
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