Evaluation of the individualization state in single-walled carbon nanotube solutions using absorption, Raman and photoluminescence spectroscopy

Wonsuk Jung, Ju Yeon Woo, Seung Ho Lee, Duckjong Kim, Soohyun Kim, Chang-Soo Han

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We report a method for characterizing the individualization of single-walled carbon nanotubes (SWCNTs) in a solution based on absorption, Raman and photoluminescence spectroscopy. In the first van Hope transition interband (S11), we selected two distinct peaks and introduced kurtosis as a quantitative value for representing the sharpness and magnitude of the peaks. Three samples of individualized SWCNTs prepared using our condition and two published conditions were analyzed using kurtosis. In addition, we used the radial breathing mode peaks and photoluminescence map to estimate the individualization qualitatively. As the result, we found that three methods to characterize the individualization state showed consistent results with each other and could be effectively utilized for making a well-individualized sample.

Original languageEnglish
Article number125501
JournalMeasurement Science and Technology
Volume23
Issue number12
DOIs
Publication statusPublished - 2012 Dec 1

Fingerprint

Single-walled Carbon Nanotubes
Photoluminescence spectroscopy
Kurtosis
Photoluminescence
Single-walled carbon nanotubes (SWCN)
Raman
Absorption spectroscopy
Raman spectroscopy
Spectroscopy
kurtosis
absorption spectroscopy
Absorption
carbon nanotubes
photoluminescence
evaluation
Sharpness
Evaluation
spectroscopy
sharpness
breathing

Keywords

  • absorption spectroscopy
  • fluorescence
  • individualization
  • Raman
  • single-walled carbon nanotube

ASJC Scopus subject areas

  • Applied Mathematics
  • Instrumentation

Cite this

Evaluation of the individualization state in single-walled carbon nanotube solutions using absorption, Raman and photoluminescence spectroscopy. / Jung, Wonsuk; Woo, Ju Yeon; Lee, Seung Ho; Kim, Duckjong; Kim, Soohyun; Han, Chang-Soo.

In: Measurement Science and Technology, Vol. 23, No. 12, 125501, 01.12.2012.

Research output: Contribution to journalArticle

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