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Fabrication and Photocatalytic Activity of ZnO-TiO2 Nanofibers

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Abstract:

PVP/ZnO-TiO2 composite nanofibers were prepared by Sol-gel processing followed by electrospinning technique using Ti(OC4H9)4 and polyvinglpyrrolidone ( PVP) as starting materials. ZnO-TiO2 nanofibers of 100–200 nm diameter were obtained by high temperature calcinations of the inorganic organic PVP/ZnO-TiO2 composite fibers.The materials were characterized by differential scanning calorimetry thermogravimetric analysis (DSC- TGA) , Fourier transform infrared (FT-IR),and scanning electron microscopy (SEM). The process of the photocatalytic degradation of methylene blue using ZnO-TiO2 nanofiber as catalyst was investigated.The results show that the ZnO-TiO2 nanofiber dopped 3% ZnO has better photocatalytic activity for methylene blue degradation, the degradation rate of methylene blue solution reached 99% under sunshine for 6 h., and it’s still 95% after eight times reuse.

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Periodical:

Advanced Materials Research (Volumes 295-297)

Pages:

1978-1981

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.295-297.1978

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Online since:

July 2011

Authors:

Jian Feng Ju, Dong Hui Wu, Yu Jun Shi

Keywords:

Electro-Spinning, Photocatalyst, ZnO-TiO2 Nanofiber

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