Hydrothermal Processing of Carbon Nanotubes from Dense Fluids: Growth Mechanism

Jose M. Calderon-Moreno; Masahiro Yoshimura

doi:10.2320/matertrans.42.1681

MATERIALS TRANSACTIONS

Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678

Hydrothermal Processing of Carbon Nanotubes from Dense Fluids: Growth Mechanism

Jose M. Calderon-Moreno, Masahiro Yoshimura

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Keywords: multiwall carbon nanotubes, hydrothermal processing, supercritical fluid

JOURNAL FREE ACCESS

2001 Volume 42 Issue 8 Pages 1681-1683

DOI https://doi.org/10.2320/matertrans.42.1681

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Abstract

We report in this communication the growth mechanism of multiwall carbon nanotubes during hydrothermal treatment of carbon soot at 800°C and 100 MPa. High-resolution electron microscopy (HRTEM) study reveals the formation of multiwall carbon nanotubes made of a hollow core enclosed in well-ordered concentric graphitic layers after hydrothermal treatment.

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