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Formation of carbon nanotubes catalyzed by metal and bi-metal via pulsed laser depositon technique


Citation

Yahya, Noorhana and Beh, Hoe Guan and Lim, Kean Pah and Ismail, Ismayadi and Al-Habashi, Ramadan Masoud and Waji, Samalia Bawa and Shafie, Mohd Shamsul Ezzad and Mohd Saad, Mohd Hashim (2005) Formation of carbon nanotubes catalyzed by metal and bi-metal via pulsed laser depositon technique. In: International Advanced Technology Congress: Conference on Advanced Materials (CAM 2005), 6-8 Dec. 2005, Putrajaya, Malaysia. (pp. 195-200).

Abstract / Synopsis

Carbon nanotubes were formed by laser ablation using graphite containing a metal and bi-metal catalyst as a target. The Nd:YAG laser with 532 nm wavelength, 10.54 W was used to irradiate the target to form the carbon nanotubes. The pressure inside the chamber was kept at 4 Torr. Web-liked carbon nanotubes were found on the substrate after 30 minutes laser irradiation. The SEM images showed that the diameter of the carbon nanotubes formed by metal and bi-metal catalyst in the ranging 35-150nm. The yield of carbon nanotubes depended on the metal catalyst, NiCo was found is an effective catalyst for the growth of Carbon nanotubes.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Science
Institute of Advanced Technology
Publisher: Universiti Putra Malaysia Press
Keywords: Carbon nanotubes; Metal; Bi-metal; Pulsed laser depositon
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 03 Jun 2015 10:48
Last Modified: 12 Oct 2018 09:51
URI: http://psasir.upm.edu.my/id/eprint/38674
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