Comparative flame and furnace synthesis of single-walled carbon nanotubes

In this Letter, results are reported for flame synthesis of single-walled carbon nanotubes. A pyrolysis flame of CO/H 2 is established with introduction of the nanocatalyst precursor particles as an aerosol created by drying a nebulized solution of iron or iron colloid (in the form of ferrofluid). R...

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Bibliographic Details
Published inChemical physics letters Vol. 336; no. 1; pp. 24 - 32
Main Authors Vander Wal, Randall L, Ticich, Thomas M
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 09.03.2001
Elsevier Science
Subjects
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Materials science
Nanoscale materials and structures: fabrication and characterization
Physics
Pyrolysis
Flames
Catalytic reaction
Ovens
Chemical preparation
Nanotubes
Carbon
Comparative study
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Summary:In this Letter, results are reported for flame synthesis of single-walled carbon nanotubes. A pyrolysis flame of CO/H 2 is established with introduction of the nanocatalyst precursor particles as an aerosol created by drying a nebulized solution of iron or iron colloid (in the form of ferrofluid). Results are compared to those produced by entraining the same catalyst aerosol into a tube furnace. Optimum flame gas flows and overall gas composition are reported and interpreted in terms of temperature and particle residence time.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(01)00114-2