Evidence of Sequential Lift in Growth of Aligned Multiwalled Carbon Nanotube Multilayers

We synthesized aligned multiwalled carbon nanotube multilayers by aerosol-assisted catalytic chemical vapor deposition through sequential injections of aerosols containing both carbon and catalyst precursors. Each sequence was traced by a specific duration or precursor mixture, with the carbon sourc...

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Bibliographic Details
Published in:Nano letters 2005-12, Vol.5 (12), p.2394-2398
Main Authors: Pinault, Mathieu, Pichot, Vincent, Khodja, Hicham, Launois, Pascale, Reynaud, Cécile, Mayne-L'Hermite, Martine
Format: Article
Language:English
Subjects:
Aerosols - chemistry
Chemical Sciences
Cross-disciplinary physics: materials science
rheology
Crystallization - methods
Exact sciences and technology
Gases - chemistry
Macromolecular Substances - chemistry
Materials science
Materials Testing
Methods of nanofabrication
Molecular Conformation
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Nanotubes, Carbon - chemistry
Nanotubes, Carbon - ultrastructure
or physical chemistry
Phase Transition
Physics
Self-assembly
Theoretical and
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Summary:We synthesized aligned multiwalled carbon nanotube multilayers by aerosol-assisted catalytic chemical vapor deposition through sequential injections of aerosols containing both carbon and catalyst precursors. Each sequence was traced by a specific duration or precursor mixture, with the carbon source being possibly enriched in 13C isotope labels. We discovered that any sequence involved the growth of a new layer on the substrate surface, under any pre-existing one by lifting it up, giving definitive evidence of a base-growth mechanism.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl051472k