Different types of nanosized carbon materials produced by a metal dusting process

Jeng-Kuei Chang*, Heng Yi Tsai, Wen Ta Tsai

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Preparation of carbon nanorods, multiwall nanotubes, single-wall nanotubes, and nanoballs, depending on reaction conditions, is demonstrated by a metal dusting process, in which a blasted 304 L stainless steel coupon and CO - CO2 mixed gas are reacted in the 500-800 °C temperature range. During the process, fresh Fe - Ni nanoparticles, which catalyze formation of the nanosized carbon materials, are produced spontaneously. This process is simple and easily scaled up; therefore, mass production of the nanosized carbon materials is realizable. The formation mechanism for each nanostructure is also proposed in this paper.

Original languageEnglish
Pages (from-to)20143-20148
Number of pages6
JournalJournal of Physical Chemistry C
Volume112
Issue number51
DOIs
StatePublished - 1 Dec 2008

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