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J Nanopart Res. 2013 Jan;15(1):1295. Epub 2012 Dec 16.

Multi-walled carbon nanotube-supported metal-doped ZnO nanoparticles and their photocatalytic property.

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College of Physics and Electronic Science, Changsha University of Science and Technology, Changsha, 410114 People's Republic of China ; State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083 People's Republic of China.


A simple and versatile approach has been developed to synthesize multi-walled carbon nanotubes/metal-doped ZnO nanohybrid materials (MWNT/M-doped ZnO) by means of the co-deposition method. The experimental results illuminate that MWNTs can be modified by metal-doped ZnO nanoparticles at 450 °C, such as Mn, Mg, and Co elements. Furthermore, the MWNT/Mg-doped ZnO hybrids have been proven to have a high photocatalytic ability for methyl orange (MO), in which the degraded rate for MO reaches 100 % in 60 min. The enhancement in photocatalytic activity is attributed to the excellent electriconal property of MWNTs and Mg-doping. The resultant MWNT/Mg-doped ZnO nanohybrids have potential applications in photocatalysis and environmental protection.


Carbon nanotube; Metal-doped ZnO; Oxide hybrid; Photocatalytic property

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