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Raman analysis of MWCNTs produced by catalytic CVD: derivation of a scaling law for the growth parameters
Author(s) -
Donato M. G.,
Galvagno S.,
Messina G.,
Milone C.,
Pistone A.,
Santangelo S.
Publication year - 2008
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1817
Subject(s) - dimensionless quantity , raman spectroscopy , carbon nanotube , scaling , scaling law , yield (engineering) , chemical vapor deposition , materials science , nanotechnology , chemistry , thermodynamics , physics , composite material , mathematics , optics , geometry
The results of the quantitative Raman analysis, performed on multi‐walled carbon nanotubes produced by iron‐catalysed chemical vapour deposition, are utilised for deriving a scaling law for the growth parameters. A semi‐empirical approach, already successfully applied to different materials and growth techniques, is utilised and demonstration is given that the reaction outcome, in terms of yield to C deposits and crystalline perfection of nanotubes attained, analytically depends on the growth parameters through a single dimensionless combination of them. Copyright © 2007 John Wiley & Sons, Ltd.