Thermodynamics of the formation of catalyst clusters for carbon nanotube growth

Thermodynamics of the formation of catalyst clusters for carbon nanotube growth

A fundamental thermodynamic model of formation of catalyst clusters for growing carbon nanotubes has been developed and model predictions have been compared with the experimental data. An expression for the size distribution function of clusters, depending on the conditions of their formation, is ob...

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Bibliographic Details
Published in:Semiconductors (Woodbury, N.Y.) Vol. 44; no. 13; pp. 1718 - 1722
Main Authors: Bulyarskii, S. V., Pyatilova, O. V., Tsygantsov, A. V., Basaev, A. S., Galperin, V. A., Pavlov, A. A., Shaman, Yu. P.
Format: Journal Article
Language:English
Published: Dordrecht SP MAIK Nauka/Interperiodica 15-12-2010
Springer
Subjects:
Analysis
CARBON
CATALYSTS
DISTRIBUTION FUNCTIONS
ELEMENTS
FORECASTING
FUNCTIONS
IRON
Magnetic Materials
Magnetism
MATERIALS SCIENCE
MATHEMATICAL MODELS
METALS
NANOSTRUCTURES
Nanotechnology
NANOTUBES
NONMETALS
PARTICLE MODELS
Physics
Physics and Astronomy
STATISTICAL MODELS
SURFACE PROPERTIES
SURFACE TENSION
THERMODYNAMIC MODEL
THERMODYNAMICS
TRANSITION ELEMENTS
Surface Tension Coefficient
Iron Atom
Catalytic Pyrolysis
Ferrocene
Cluster Radius
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Summary:A fundamental thermodynamic model of formation of catalyst clusters for growing carbon nanotubes has been developed and model predictions have been compared with the experimental data. An expression for the size distribution function of clusters, depending on the conditions of their formation, is obtained. It is shown that surface tension plays an important role in the cluster formation. The surface tension coefficient for iron clusters at 950°C is determined.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782610130208