Influence of TiO2 impregnated with a novel copper(II) carboxylic porphyrin and its application in photocatalytic degradation of 4-Nitrophenol

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• 作者：Xiangfei Lü (1) (3)
  Nanjiang Hu (2)
  Jun Li (3)
  Hongrui Ma (1)
  Kai Du (1)
  Ran Zhao (1)
  
• 关键词：Copper carboxylicporphyrin ; TiO2 ; CuPp–TiO2 photocatalyst ; Photocatalytic degradation
• 刊名：Research on Chemical Intermediates
• 出版年：2014
• 出版时间：May 2014
• 年：2014
• 卷：40
• 期：5
• 页码：1911-1922
• 全文大小：560 KB
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• 作者单位：Xiangfei Lü (1) (3)
  Nanjiang Hu (2)
  Jun Li (3)
  Hongrui Ma (1)
  Kai Du (1)
  Ran Zhao (1)
  
  1. Department of Environmental Engineering, College of Resource and Environment Science, Shaanxi University of Technology, Xi’an, 710021, Shaanxi, People’s Republic of China
  3. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an, 710069, Shaanxi, People’s Republic of China
  2. Department of Process Equipment Controll and Engineering, College of Light Industry and Energy, Shaanxi University of Technology, Xi’an, 710021, Shaanxi, People’s Republic of China
  
• ISSN：1568-5675

文摘

A novel 5,15-di-[4-carboxylatomethoxy]phenyl-10,20-diphenylporphyrin, its copper complex and the corresponding metalloporphyrin-TiO2 photocatalyst were synthesized and characterized by DRS, SEM, XRD, and FT–IR. The photocatalytic effects of anataseTiO2 impregnated with this copper(II) porphyrin was investigated by photodegradation of 4-nitrophenol(4-NP) in aqueous solution under Xenon lamp irradiation. The results indicated that the photoactivity of copper(II) porphyrin-TiO2 composite was evidently enhanced by the interaction between carboxyl of the porphyrin molecule and hydroxyls anchored on the TiO2. Futhermore, the copper(II) carboxylic porphyrin displayed good adsorption behavior and activity of the dye-sensized TiO2 system.