Carbon fibers formed from single-wall carbon nanotubes - Patent US6683783(B1)

Filed: Dec 22, 1999

Published: Jan 27, 2004

Abstract

A method for purifying a mixture comprising single-wall carbon nanotubes and amorphous carbon contaminate is disclosed. The method includes the steps of heating the mixture under oxidizing conditions sufficient to remove the amorphous carbon, followed by recovering a product comprising at least about 80% by weight of single-wall carbon nanotubes. A method for producing tubular carbon molecules of about 5 to 500 nm in length is also disclosed. The method includes the steps of cutting single-wall nanotube containing-material to form a mixture of tubular carbon molecules having lengths in the range of 5-500 nm and isolating a fraction of the molecules having substantially equal lengths. The nanotubes may be used, singularly or in multiples, in power transmission cables, in solar cells, in batteries, as antennas, as molecular electronics, as probes and manipulators, and in composites.

Applicants

UNIV RICE WILLIAM M

Inventors

RINZLER ANDREW G
SMALLEY RICHARD E
GUO TING
NIKOLAEV PAVEL
DAI HONGJIE
HAFNER JASON H
LIU JIE
THESS ANDREAS
COLBERT DANIEL T
SMITH KEN

Application Number

09380545

Priority Claims

US9804513

Family Members

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Classification Codes

G11B9/00, G11C13/02, C01B31/00, D01F9/12, C01B31/02, D01F9/127, H01M4/62, B82B3/00, H01M4/58