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나노 구조 물리 연구단
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Novel Method of Evaluating the Purity of Multiwall Carbon Nanotubes Using Raman Spectroscopy

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Title
Novel Method of Evaluating the Purity of Multiwall Carbon Nanotubes Using Raman Spectroscopy
Author(s)
Young Chul Choi; Kyoung-In Min; Mun Seok Jeong
Publication Date
2013
Journal
JOURNAL OF NANOMATERIALS, v.2013, no., pp.615915 -
Publisher
HINDAWI PUBLISHING CORPORATION
Abstract
We propose the quantitativemethod of evaluating the purity ofmultiwall carbon nanotubes(MWCNTs) using Raman spectroscopy. High purityMWCNTswere prepared by chemical vapor deposition (CVD) to be used as a reference material with 100% purity. Since the intensity and wavenumber of D-band located at around 1500 cm−1 were found to be independent of the excitation wavelength of a laser, the purity of MWCNTs was measured by comparing the intensity ratio of D-band to G-band ( / ) of the sample with that of a reference material. The established method was verified by testing the mixture of amorphous carbon particles and reference MWCNTs.
URI
http://pr.ibs.re.kr/handle/8788114/1407
DOI
10.1155/2013/615915
ISSN
1687-4110
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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