Purification of single-wall carbon nanotubes synthesized from alcohol by catalytic chemical vapor deposition

Shingo Okubo; Takeshi Sekine; Shinzo Suzuki; Yohji Achiba; Kazuhito Tsukagoshi; Yoshinobu Aoyagi; Hiromichi Kataura

doi:10.1143/jjap.43.l396

Purification of single-wall carbon nanotubes synthesized from alcohol by catalytic chemical vapor deposition

Shingo Okubo, Takeshi Sekine, Shinzo Suzuki, Yohji Achiba, Kazuhito Tsukagoshi, Yoshinobu Aoyagi, Hiromichi Kataura

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The purification of single-wall carbon nanotubes synthesized by alcohol catalytic chemical vapor deposition (ACCVD) was performed for the first time. Subsequent use of aqueous solutions of sodium hydroxide and hydrochloric acid removed the main impurities, such as the support zeolite and the catalyst metal particles, from the as-grown material. The obtained samples were characterized by transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and Raman spectroscopy. The present purification protocol has some advantages, in terms of cost, safety, and large applicability for other carbon materials formed on zeolite.

Original language	English
Pages (from-to)	L396-L398
Journal	Japanese Journal of Applied Physics, Part 2: Letters
Volume	43
Issue number	3 B
DOIs	https://doi.org/10.1143/jjap.43.l396
Publication status	Published - 2004 Mar 15
Externally published	Yes

Keywords

Carbon nanotube
Chemical vapor deposition
Purification
Raman spectroscopy
Transmission electron microscopy
Zeolite

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy (miscellaneous)
Physics and Astronomy(all)

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Purification of single-wall carbon nanotubes synthesized from alcohol by catalytic chemical vapor deposition. / Okubo, Shingo; Sekine, Takeshi; Suzuki, Shinzo; Achiba, Yohji; Tsukagoshi, Kazuhito; Aoyagi, Yoshinobu; Kataura, Hiromichi.

In: Japanese Journal of Applied Physics, Part 2: Letters, Vol. 43, No. 3 B, 15.03.2004, p. L396-L398.

Research output: Contribution to journal › Article › peer-review

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