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Title: Growth of CNTs on 304 stainless steel using sparked iron as a catalyst
Authors: Somchai Thongtem
Pisith Singjai
Titipun Thongtem
Suphaporn Daothong
Keywords: Materials Science
Issue Date: 1-Dec-2006
Abstract: Carbon nanotubes (CNTs) were grown on 304 stainless steel using iron as a catalyst. By using the applied voltages of 4-6 kV, iron wire with 0.5 mm in diameter was sparked for 1, 2, 10 and 100 times to form catalytic dots on the steel substrate. CNTs were subsequently grown in a gas mixture of 10 ml/s Ar and 0.1 ml/s C2H2 at a temperature range 700 - 900 K for 300 s (5 min). The dots and CNTs were characterised using AFM, SEM and TEM to determine their characteristics.
ISSN: 02555476
Appears in Collections:CMUL: Journal Articles

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