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Capillarity-driven assembly of two-dimensional cellular carbon nanotube foams.


ABSTRACT: Capillary forces arising during the evaporation of liquids from dense carbon nanotube arrays are used to reassemble the nanotubes into two-dimensional contiguous cellular foams. The stable nanotube foams can be elastically deformed, transferred to other substrates, or floated out to produce free-standing macroscopic fabrics. The lightweight cellular foams made of condensed nanotubes could have applications as shock-absorbent structural reinforcements and elastic membranes. The ability to control the length scale, orientation, and shape of the cellular structures and the simplicity of the assembly process make this a particularly attractive system for studying pattern formation in ordered media.

SUBMITTER: Chakrapani N 

PROVIDER: S-EPMC384686 | biostudies-literature | 2004 Mar

REPOSITORIES: biostudies-literature

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Capillarity-driven assembly of two-dimensional cellular carbon nanotube foams.

Chakrapani Nirupama N   Wei Bingqing B   Carrillo Alvaro A   Ajayan Pulickel M PM   Kane Ravi S RS  

Proceedings of the National Academy of Sciences of the United States of America 20040311 12


Capillary forces arising during the evaporation of liquids from dense carbon nanotube arrays are used to reassemble the nanotubes into two-dimensional contiguous cellular foams. The stable nanotube foams can be elastically deformed, transferred to other substrates, or floated out to produce free-standing macroscopic fabrics. The lightweight cellular foams made of condensed nanotubes could have applications as shock-absorbent structural reinforcements and elastic membranes. The ability to control  ...[more]

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