Characterization of Pd/TiO2 embedded in multi-walled carbon nanotube catalyst with a high photocatalytic activity View Full Text


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Article Info

DATE

2013-05

AUTHORS

Fengjun Zhang, Fazhi Xie, Haiyan Xu, Jin Liu, Won Chun Oh

ABSTRACT

Pd particles loading on TiO2-embedded multi-walled carbon nanotubes (MWCNTs), MWCNTs, and TiO2 particles were prepared via an impregnation method with palladium(II) chlorate solution followed by heat treatment at high temperature. To characterize the catalysts, BET surface area, scanning electron microscopy, transmission electron microscopy, X-ray diffraction, energy dispersive X-ray, Fourier transform infrared spectroscopy and ultraviolet-visible spectroscopy were employed. The prepared catalysts were tested in degradation of methyl orange under visible light. Pd/TiO2-MWCNTs catalyst demonstrates the highest photocatalytic activity, and the phase transformation from PdO to Pd0 phase takes place at heat treatment of embedded TiO2. The nanoparticles size of TiO2 can be decreased by introduction of MWCNTs species. Combining structural characterization with kinetic study results we could conclude that the superior catalytic performance could arise due to the Pd/TiO2-MWCNTs catalyst’s structure. More... »

PAGES

297-306

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s002315841303018x

DOI

http://dx.doi.org/10.1134/s002315841303018x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1037969379


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