Synthesis of nanosized flake carbons by RF-chemical vapor method

Flake graphite is a well-known material usually produced from acid intercalation submitted to a thermal shock. This study successfully synthesized carbon-nanoflakes doping Fe metal via a RF sputter system at low temperatures (about 150 °C) and then using the ultrasonic irradiation technique to exfol...

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Bibliographic Details
Published in:Surface & coatings technology 2006-02, Vol.200 (10), p.3190-3193
Main Authors: Lin, C.R., Su, C.H., Chang, C.Y., Hung, C.H., Huang, Y.F.
Format: Article
Language:English
Subjects:
Carbon-nanoflakes
Catalyst material
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Nanostructures
Other topics in materials science
Physics
RFCVD
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Summary:Flake graphite is a well-known material usually produced from acid intercalation submitted to a thermal shock. This study successfully synthesized carbon-nanoflakes doping Fe metal via a RF sputter system at low temperatures (about 150 °C) and then using the ultrasonic irradiation technique to exfoliate flake-carbon. The carbon-nanoflakes with a thickness of about 9 nm were evidenced by TEM examinations. The Raman spectroscopy supports the existence of graphitized carbon at the nanoscale. Considering their superior electrical conductivity, the carbon-nanoflakes may have potential applications, such as serving as vacuum electronic devices, catalyst supports for fuel cells, electrode materials for lithium-ion batteries, and electronic conduct fillers for preparing conducting polymer composites.
ISSN:0257-8972
1879-3347
DOI:10.1016/j.surfcoat.2005.07.041