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Relative content evaluation of single-walled carbon nanotubes using UV-VIS-NIR absorption spectroscopy

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2009, 10(1), pp.9-13
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

차옥환 1 Clare C. Byeon 1 정현 2 한종훈 3 최영철 4 An Kay-Hyeok 5 Kyunghui Oh 6 김기강 7 이영희 7 정문석 1

1광주과학기술원
2전북대학교
3전가부품연구원
4한화나노텍
5전주기계산업리서치센터
6지식경제부 기술표준원
7성균관대학교

Candidate

ABSTRACT

We propose an evaluation method of the relative content of single-walled carbon nanotubes (SWCNT) in SWCNT soot synthesized by arc discharge using UV-VIS-NIR absorption spectroscopy. In this method, we consider the absorbance of semiconducting and metallic SWCNTs together to calculate the relative content of SWCNTs with respect to a highly purified reference. Our method provides the more reliable and realistic evaluation of SWCNT content with respect to the whole carbonaceous content than the previously reported method.

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