Behavior of C60 under hydrothermal conditions: Transformation to amorphous carbon and formation of carbon nanotubes

Wojciech L. Suchanek, Joseph A. Libera, Yury Gogotsi, Masahiro Yoshimura

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The behavior of fullerenes C60 under hydrothermal conditions between 200 and 800°C, and under 100 MPa pressure, in the absence and in the presence of nickel is reported. The highest temperature of fullerene stability in water was 400°C after a 48-h-long treatment. Increasing the temperature and/or time of the hydrothermal treatment resulted in transformation of fullerene to amorphous carbon. At 700°C, high-quality open-ended multiwalled carbon nanotubes were formed in the vicinity of nickel particles. These nanotubes typically had an outer diameter of 30-40 nm and a wall thickness of 5 nm, with a graphitization level similar to that of carbon nanotubes prepared by chemical vapor deposition. The potential for large-scale synthesis of the carbon nanotubes by the hydrothermal technique is discussed. Since the present study was conducted under conditions which are common in the geological environment, our results imply that carbon nanotubes may form in natural hydrothermal systems.

Original languageEnglish
Pages (from-to)184-188
Number of pages5
JournalJournal of Solid State Chemistry
Volume160
Issue number1
DOIs
Publication statusPublished - 2001 Jan 1

Fingerprint

Carbon Nanotubes
Amorphous carbon
Fullerenes
Carbon nanotubes
carbon nanotubes
fullerenes
Nickel
carbon
Graphitization
Multiwalled carbon nanotubes (MWCN)
nickel
Nanotubes
hydrothermal systems
graphitization
Chemical vapor deposition
nanotubes
Temperature
Water
vapor deposition
synthesis

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

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abstract = "The behavior of fullerenes C60 under hydrothermal conditions between 200 and 800°C, and under 100 MPa pressure, in the absence and in the presence of nickel is reported. The highest temperature of fullerene stability in water was 400°C after a 48-h-long treatment. Increasing the temperature and/or time of the hydrothermal treatment resulted in transformation of fullerene to amorphous carbon. At 700°C, high-quality open-ended multiwalled carbon nanotubes were formed in the vicinity of nickel particles. These nanotubes typically had an outer diameter of 30-40 nm and a wall thickness of 5 nm, with a graphitization level similar to that of carbon nanotubes prepared by chemical vapor deposition. The potential for large-scale synthesis of the carbon nanotubes by the hydrothermal technique is discussed. Since the present study was conducted under conditions which are common in the geological environment, our results imply that carbon nanotubes may form in natural hydrothermal systems.",
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Behavior of C60 under hydrothermal conditions : Transformation to amorphous carbon and formation of carbon nanotubes. / Suchanek, Wojciech L.; Libera, Joseph A.; Gogotsi, Yury; Yoshimura, Masahiro.

In: Journal of Solid State Chemistry, Vol. 160, No. 1, 01.01.2001, p. 184-188.

Research output: Contribution to journalArticle

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