Purification of carbon nanotubes via selective heating

Simon N Dunham (Inventor), Yonggang Huang (Inventor), Sung Hun Jin (Inventor), William L Wilson (Inventor), Ahmad E Islam (Inventor), Frank Du (Inventor), Xu Xie (Inventor), Jizhou Song (Inventor), John A Rogers (Inventor)

Research output: Patent

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.
Original languageEnglish (US)
U.S. patent number10333069
Filing date11/17/16
StatePublished - Jun 25 2019

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