Preparation of Carbon-Coated TiO2-CeO2 Fibers for the Photocatalytic Degradation of Ciprofloxacin

doi:10.3724/SP.J.1095.2013.30019

Chinese Journal of Applied Chemistry

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Preparation of Carbon-Coated TiO₂-CeO₂ Fibers for the Photocatalytic Degradation of Ciprofloxacin

ZHENG Xi^*, CHEN Siying, CHEN Zhen, CHEN Riyao, CHEN Xiao

(College of Environmental Science and Engineering，Fujian Normal University，Fuzhou 350007，China)

Received:2013-01-08 Revised:2013-03-15 Published:2013-11-10 Online:2013-11-10
Contact: Zheng Xi

Abstract

Abstract: The CeO2-TiO2 sol-gel was prepared by the sol-gel method using polyvinylpyrrolidone(PVP) sol/titaniumn-butyloxide(Ti(OC4H9)4) as the precursor and Ce(NO3)3·6H2O as the doping agent, and the CeO2-doped TiO2 nanofiber was prepared by the electrospinning technique. Finally, a layer of carbon membrane was deposited on the surface of the CeO2-TiO2 composite nanofibers using chemical vapor deposition(CVD). The structure and properties of the carbon-coated nanofibers were studied using SEM, FTIR, TEM, XRD, and its photocatalytic activity toward the degradation of ciprofloxacin hydrochloride was investigated under UV-light irradiation. The experimental results show that carbon-coated TiO2 composite nanofibers exhibit higher photocatalytic performance. When the irradiation time is 40 min, the degradation rate of ciprofloxacin hydrochloride is up to 85.8%.

Key words: electrospinning, TiO2, CeO2, carbon-coated, photocatalysis

CLC Number:

O643

ZHENG Xi*, CHEN Siying, CHEN Zhen, CHEN Riyao, CHEN Xiao. Preparation of Carbon-Coated TiO₂-CeO₂ Fibers for the Photocatalytic Degradation of Ciprofloxacin[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2013.30019.

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Preparation of Carbon-Coated TiO₂-CeO₂ Fibers for the Photocatalytic Degradation of Ciprofloxacin

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