Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 441, Issue -, Pages 420-426Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2013.10.005
Keywords
Selectivity; Photo-degradation; Ciprofloxacin; NaCl/TiO2; Surface molecular imprinting
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Funding
- Natural Science Foundation of Jiangsu Province [SBK2011460]
- Ph.D. Programs Foundation of Ministry of Education of China [20113227110019]
- Ph.D. Innovation Programs Foundation of Jiangsu Province [CXLX12_0634]
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The modified NaCl/TiO2 photocatalyst of selected degradation was synthesized by surface molecular imprinted technology with ciprofloxacin (CIP) as the molecular template. The acrylamide (AM), trimethylolpropane acrylate (TMPTA), and 2,2-azobisisobutyronitrile (AIBN) were considered to be functional monomer, cross-linking and initiate reagents, respectively. The as-prepared photocatalysts were characterized by X-ray diffraction (XRD), UV vis diffuse reflectance spectra (UV vis DRS), transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermal gravimetry (TG) and Fourier transform infrared (FT-IR). Compared with the non-imprinted photocatalyst, the molecular imprinted photocatalyst exhibits higher selectivity and photo-degradation capacity for CIP. The degradation ratio of CIP could reach 70.90% in 60 min under visible irradiation. The selectivity of the MIP photoctalyst enhanced the photocatalytic activity to CIP. (C) 2013 Elsevier B.V. All rights reserved.
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