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Influences of the Synthesis Procedure on the Photocatalytic Property of Nanostructured Ceria Supported on SiO2

  • Yongyi Ding
  • Ning Fang
  • Chengbao Liu
  • Zhigang Chen
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)

Abstract

Nanostructured ceria supported on SiO2 catalysts were synthesized using four different preparation procedures: (1) cerium nitrate adsorption, (2) ammonia precipitation, (3) citric acid-ammonia complexing method (4) citric acid sol-gel method. Thermogravimetry-differential scanning calorimetry (TG-DSC) was used to analyze the weight loss and crystallization behavior of the precursors made by four synthesis procedures during heat treatment. The synthesis effects on the size, dispersion, crystallinity and photocatalytic properties of ceria supported on SiO2 were characterized by X-ray diffraction (XRD), high-resolution transmission electron microscope (HRTEM), ultraviolet-visible absorption spectra (UV-Vis), photoluminescence spectra (PL) and photocatalytic degradation of methylene blue. The results show that ceria supported SiO2 catalyst synthesized by sol-gel method has the best dispersity and photocatalytic performance, lowest crystallinity, smallest grain size and band gap.

Keywords

Synthesis Photocatalysis CeO2 SiO2 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation (NSF) of China (21407111, 21377090 and 51403148).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Yongyi Ding
    • 1
  • Ning Fang
    • 1
  • Chengbao Liu
    • 2
    • 3
    • 4
  • Zhigang Chen
    • 1
    • 2
    • 3
    • 4
  1. 1.School of Material Science and EngineeringJiangsu UniversityZhenjiangChina
  2. 2.School of Chemistry, Biology and Materials EngineeringSuzhou University of Science and TechnologySuzhouChina
  3. 3.Jiangsu Key Laboratory for Environment Functional MaterialsSuzhouChina
  4. 4.Jiangsu Collaborative Innovation Center of Technology and Material for Water TreatmentSuzhouChina

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