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Title: Purification of carbon nanotubes via selective heating

Abstract

The present invention provides methods for purifying a layer of carbon nanotubes comprising providing a precursor layer of substantially aligned carbon nanotubes supported by a substrate, wherein the precursor layer comprises a mixture of first carbon nanotubes and second carbon nanotubes; selectively heating the first carbon nanotubes; and separating the first carbon nanotubes from the second carbon nanotubes, thereby generating a purified layer of carbon nanotubes. Devices benefiting from enhanced electrical properties enabled by the purified layer of carbon nanotubes are also described.

Inventors:
; ; ; ; ; ; ; ;
Issue Date:
Research Org.:
Univ. of Illinois at Urbana-Champaign, IL (United States); Northwestern Univ., Evanston, IL (United States); Univ. of Miami, FL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1568535
Patent Number(s):
10333069
Application Number:
15/354,951
Assignee:
The Board of Trustees of the University of Illinois (Urbana, IL); Northwestern University (Evanston, IL); University of Miami (Miami, FL)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
DOE Contract Number:  
FG02-91ER45439
Resource Type:
Patent
Resource Relation:
Patent File Date: 11/17/2016
Country of Publication:
United States
Language:
English

Citation Formats

Rogers, John A., Wilson, William L., Jin, Sung Hun, Dunham, Simon N., Xie, Xu, Islam, Ahmad, Du, Frank, Huang, Yonggang, and Song, Jizhou. Purification of carbon nanotubes via selective heating. United States: N. p., 2019. Web.
Rogers, John A., Wilson, William L., Jin, Sung Hun, Dunham, Simon N., Xie, Xu, Islam, Ahmad, Du, Frank, Huang, Yonggang, & Song, Jizhou. Purification of carbon nanotubes via selective heating. United States.
Rogers, John A., Wilson, William L., Jin, Sung Hun, Dunham, Simon N., Xie, Xu, Islam, Ahmad, Du, Frank, Huang, Yonggang, and Song, Jizhou. Tue . "Purification of carbon nanotubes via selective heating". United States. https://www.osti.gov/servlets/purl/1568535.
@article{osti_1568535,
title = {Purification of carbon nanotubes via selective heating},
author = {Rogers, John A. and Wilson, William L. and Jin, Sung Hun and Dunham, Simon N. and Xie, Xu and Islam, Ahmad and Du, Frank and Huang, Yonggang and Song, Jizhou},
abstractNote = {The present invention provides methods for purifying a layer of carbon nanotubes comprising providing a precursor layer of substantially aligned carbon nanotubes supported by a substrate, wherein the precursor layer comprises a mixture of first carbon nanotubes and second carbon nanotubes; selectively heating the first carbon nanotubes; and separating the first carbon nanotubes from the second carbon nanotubes, thereby generating a purified layer of carbon nanotubes. Devices benefiting from enhanced electrical properties enabled by the purified layer of carbon nanotubes are also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {6}
}

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