Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11051
Title: Enhanced photocatalytic activity of electrospun TiO2/ZnO nanofibers with optimal anatase/rutile ratio
Authors: Pei, CC
Leung, WWF 
Keywords: Nanofiber
Photocatalyst
Reduced electron-hole recombination
Rutile-anatase ratio
TiO2/ZnO
Issue Date: 2013
Source: Catalysis communications, 2013, v. 37, p. 100-104 How to cite?
Journal: Catalysis Communications 
Abstract: The photocatalytic characteristics of the TiO2/ZnO nanofibers synthesized by electrospinning followed by calcinating at different temperatures to alter the anatase-to-rutile ratio are investigated. The results demonstrate that the photocatalytic activity of TiO2/ZnO nanofibers is enhanced by optimizing the anatase/rutile ratio among the trade-off effects of the band-gap energy, the electron/hole recombination rate, and the surface area. When calcined at 650 C, the TiO2/ZnO nanofibers with optimal anatase/rutile ratio (48:52) balancing these trade-off effects have the highest photocatalytic efficiency both in the degradation of RhB in liquid and conversion of NO gas.
URI: http://hdl.handle.net/10397/11051
ISSN: 1566-7367
DOI: 10.1016/j.catcom.2013.03.029
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