Growth of CNTs on 304 Stainless Steel Using Sparked Iron as a Catalyst


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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.



Materials Science Forum (Volumes 510-511)

Edited by:

Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee




S. Thongtem et al., "Growth of CNTs on 304 Stainless Steel Using Sparked Iron as a Catalyst", Materials Science Forum, Vols. 510-511, pp. 470-473, 2006

Online since:

March 2006




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