High efficiency purification method for multi-walled carbon nanotubes

Chu Jung Ko, Chung Yang Lee, Fu-Hsiang Ko*, H. L. Chen, T. C. Chu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We remove the impurity and studied the reaction temperature and reagent and the purification methods for multiwalled carbon nanotubes (MWNTs). Defects within the MWNT structure can reduce the effective band overlap and therefore lead to an increase in the material's electrical resistivity. The main impurities in MWNT are iron particles, amorphous carbon, multishell carbon nanocapsules. The results obtained from Raman spectroscopy and thermogravimetric analysis explain that most defects such as metal or carbon defects can be purified by the proposed method.

Original languageEnglish
Title of host publicationDigest of Papers - Microprocesses and Nanotechnology 2003 - 2003 International Microprocesses and Nanotechnology Conference, MNC 2003
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages214-215
Number of pages2
ISBN (Electronic)4891140402, 9784891140403
DOIs
StatePublished - 1 Jan 2003
EventInternational Microprocesses and Nanotechnology Conference, MNC 2003 - Tokyo, Japan
Duration: 29 Oct 200331 Oct 2003

Publication series

NameDigest of Papers - Microprocesses and Nanotechnology 2003 - 2003 International Microprocesses and Nanotechnology Conference, MNC 2003

Conference

ConferenceInternational Microprocesses and Nanotechnology Conference, MNC 2003
CountryJapan
CityTokyo
Period29/10/0331/10/03

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