In situ growth rate measurements and length control during chemical vapor deposition of vertically aligned multiwall carbon nanotubes

D. B. Geohegan, A. A. Puretzky, I. N. Ivanov, S. Jesse, G. Eres, J. Y. Howe

Research output: Contribution to journalArticlepeer-review

138 Scopus citations

Abstract

A study was performed on the in situ growth rate measurements and length control during chemical vapor deposition of vertically aligned arrays of multiwall carbon nanotubes (VAA-MWNT). The attenuation of a reflected HeNe laser beam and Fabry-Ṕerot interference fringes were used to measure the length of VAA-MWNT throughout the first 3-8 μm of growth. It was found that the growth rates for VAA-MWNT varied depending on the catalyst preparation, temperature and time.

Original languageEnglish
Pages (from-to)1851-1853
Number of pages3
JournalApplied Physics Letters
Volume83
Issue number9
DOIs
StatePublished - Sep 1 2003

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