Modification of Multi-walled Carbon Nanotubes with Nanoparticles for High Photocatalytic Activity

Tan, Tong Ling and Hamid, Sharifah Bee Abd and Lai, Chin Wei (2015) Modification of Multi-walled Carbon Nanotubes with Nanoparticles for High Photocatalytic Activity. Current Nanoscience, 11 (4). pp. 504-508. ISSN 1573-4137

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Official URL: http://dx.doi.org/10.2174/157341371166615020223350...

Abstract

Titanium dioxide (TiO2) nanoparticles were successfully attached to the outer surface of one dimensional oxidized multi-walled carbon nanotubes (MWCNTs) via sol-gel technique. It was well-established that calcination temperature played a critical role in controlling the crystallinity and phase of MWCNTs/TiO2composites. Thus, the effects of calcination temperature on the resulting MWCNTs/TiO2 were illustrated. The phase transition of MWCNTs/TiO2 composites was determined using XRD analysis. The photocatalytic activity evaluation of MWCNTs/TiO2 composites was conducted under degradation of organic dye (methyl orange solution). The results revealed that annealed MWCNTs/TiO2 composites showed significantly enhanced photocatalytic activity due to the highly crystalline anatase TiO2 structures.

Item Type: Article
Uncontrolled Keywords: Methyl orange; MWCNTs; Sol-gel; TiO2
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 05 Oct 2018 04:31
Last Modified: 05 Oct 2018 04:31
URI: http://eprints.um.edu.my/id/eprint/19610

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