Growth behavior of carbon nanotubes on multilayered metal catalyst film in chemical vapor deposition

H. Cui; G. Eres; J. Y. Howe; A. Puretkzy; M. Varela; D. B. Geohegan; D. H. Lowndes

doi:10.1016/S0009-2614(03)00701-2

Growth behavior of carbon nanotubes on multilayered metal catalyst film in chemical vapor deposition

H. Cui, G. Eres, J. Y. Howe, A. Puretkzy, M. Varela, D. B. Geohegan, D. H. Lowndes

Oak Ridge National Laboratory

Research output: Contribution to journal › Article › peer-review

148 Scopus citations

Abstract

The temperature and time dependences of carbon nanotube (CNT) growth by chemical vapor deposition are studied using a multilayered Al/Fe/Mo catalyst on silicon substrates. Within the 600-1100 °C temperature range of these studies, narrower temperature ranges were determined for the growth of distinct types of aligned multi-walled CNTs and single-walled CNTs by using high-resolution transmission electron microscopy and Raman spectroscopy. At 900 °C, in contrast to earlier work, double-walled CNTs are found more abundant than single-walled CNTs. Defects also are found to accumulate faster than the ordered graphitic structure if the growth of CNTs is extended to long durations.

Original language	English
Pages (from-to)	222-228
Number of pages	7
Journal	Chemical Physics Letters
Volume	374
Issue number	3-4
DOIs	https://doi.org/10.1016/S0009-2614(03)00701-2
State	Published - Jun 11 2003

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abstract = "The temperature and time dependences of carbon nanotube (CNT) growth by chemical vapor deposition are studied using a multilayered Al/Fe/Mo catalyst on silicon substrates. Within the 600-1100 °C temperature range of these studies, narrower temperature ranges were determined for the growth of distinct types of aligned multi-walled CNTs and single-walled CNTs by using high-resolution transmission electron microscopy and Raman spectroscopy. At 900 °C, in contrast to earlier work, double-walled CNTs are found more abundant than single-walled CNTs. Defects also are found to accumulate faster than the ordered graphitic structure if the growth of CNTs is extended to long durations.",

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AU - Eres, G.

AU - Howe, J. Y.

AU - Puretkzy, A.

AU - Varela, M.

AU - Geohegan, D. B.

AU - Lowndes, D. H.

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AB - The temperature and time dependences of carbon nanotube (CNT) growth by chemical vapor deposition are studied using a multilayered Al/Fe/Mo catalyst on silicon substrates. Within the 600-1100 °C temperature range of these studies, narrower temperature ranges were determined for the growth of distinct types of aligned multi-walled CNTs and single-walled CNTs by using high-resolution transmission electron microscopy and Raman spectroscopy. At 900 °C, in contrast to earlier work, double-walled CNTs are found more abundant than single-walled CNTs. Defects also are found to accumulate faster than the ordered graphitic structure if the growth of CNTs is extended to long durations.

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Growth behavior of carbon nanotubes on multilayered metal catalyst film in chemical vapor deposition

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