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Sensors and Materials
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Sensors and Materials, Volume 15, Number 4 (2003)
Copyright(C) MYU K.K.
pp. 219-224
S&M523 Research Paper in Biosensors and Related Areas
Published: 2003

A Study on the Morphology of Carbon Nanomaterials Prepared by Thermal Chemical Vapor Deposition on Mechanochemically Treated Catalysts [PDF]

Hojin Ryu, Hyung Kyun Yu, Fumio Saito, Byungil Lee and Ho Jung Jang

(Received December 2, 2002; Accepted July 25, 2003)

Keywords: carbon nanomaterials, supported catalyst, mechanochemical treatment, thermal CVD process

Carbon nanotubes (CNTs) have been grown by the thermal chemical vapor deposition　(CVD) process in which C2H2 gas was deposited on the Fe(NO3)3-Al(OH)3 mixture　pretreated by mechanochemical treatment with a high energy mixer mill. As the duration　time of grinding for the Fe(NO3)3-Al(OH)3 mixture by the mixer mill increased, amorphous　Al(OH)3 and smaller Fe particles agglomerated into spheres. With unground and ground　mixtures of Fe(NO3)3-Al(OH)3, CNTs were grown at 700°C. As a result, CNTs grown on　ground mixtures have a more uniform diameter and morphology than those on unground mixtures. The characterization of Fe(NO3)3-Al(OH)3 mixture and as-grown CNTs was　carried out by XRD, SEM and TEM.

Corresponding author: Hojin Ryu


Cite this article
Hojin Ryu, Hyung Kyun Yu, Fumio Saito, Byungil Lee and Ho Jung Jang, A Study on the Morphology of Carbon Nanomaterials Prepared by Thermal Chemical Vapor Deposition on Mechanochemically Treated Catalysts, Sens. Mater., Vol. 15, No. 4, 2003, p. 219-224.

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