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Vertically Aligned Single-Walled Carbon Nanotube Growth from Ir Catalysts by Alcohol Gas Source Method

Published online by Cambridge University Press:  11 March 2019

Takuya Okada ,
Takahiro Saida ,
Shigeya Naritsuka  and
Takahiro Maruyama
Takuya Okada
Affiliation:
Department of Applied Chemistry, Meijo University, Tempaku, Nagoya468-8502, Japan
Takahiro Saida
Affiliation:
Department of Applied Chemistry, Meijo University, Tempaku, Nagoya468-8502, Japan
Shigeya Naritsuka
Affiliation:
Department of Materials Science and Engineering, Meijo University, Tempaku, Nagoya468-8502, Japan
Takahiro Maruyama*
Affiliation:
Department of Applied Chemistry, Meijo University, Tempaku, Nagoya468-8502, Japan Nanomaterials Center, Meijo University, Nagoya468-8502, Tempaku, Japan
*
*(Email: 173429007@ccalumni.meijo-u.ac.jp)
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Abstract:

We demonstrated that single-walled carbon nanotubes (SWCNTs) grew from Ir catalysts by an alcohol catalytic chemical vapor deposition (ACCVD) method using a gas source-type CVD system. At an ethanol pressure of 1×10−1 Pa at 800°C, vertically aligned SWCNTs (VA-SWCNTs) were grown on SiO2/Si substrates. As the growth time became longer, the VA-SWCNT became thicker, and it reached almost 5 μm for a growth time of 180 min. The Raman spectroscopy results showed that the diameters of the grown SWCNTs were mainly distributed below 1.1 nm, indicating that the SWCNTs grown from Ir catalysts had small diameters compared with those from other metal catalysts.

Keywords

chemical vapor deposition (CVD) (chemical reaction)nanostructureIr
Type
Articles
Information
MRS Advances , Volume 4 , Issue 3-4: Nanomaterials , 2019 , pp. 225 - 230
Copyright
Copyright © Materials Research Society 2019 

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