Chemical vapor deposition of individual single-walled carbon nanotubes using nickel sulfate as catalyst precursor

L. W. Liu*, J. H. Fang, L. Lu, Y. J. Ma, Z. Zhang, H. F. Yang, A. Z. Jin, C. Z. Gu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Individual single-walled carbon nanotubes (SWNTs) were synthesized directly on a Si/SiO 2 substrate by chemical vapor deposition using methane as the feedstock and nickel sulfate as the catalyst precursor. This new surface growth approach yields SWNTs of diameter 0.7-3 nm and lengths of up to tens of micrometers. The SWNTs were characterized with scanning electron microscopy, atomic force microscopy, Raman spectroscopy, and electron transport measurements. Both metallic and semiconducting SWNTs were identified.

Original languageEnglish
Pages (from-to)18460-18462
Number of pages3
JournalJournal of Physical Chemistry B
Volume108
Issue number48
DOIs
Publication statusPublished - 2 Dec 2004
Externally publishedYes

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