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Synthesis of mesoporous cerium dioxide thin films with high crystallinity

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Author

Summary, in English

Thin films of crystalline mesoporous cerium dioxide were prepared by using a template of a copolymer surfactant (Pluronics 123) at ambient conditions in ethanol. The synthesised ceria was produced via a direct calcination step, without using a gelling stage. The precipitated CeO<sub>2</sub> matrix was crystalline with a high surface area. The solution height over the synthesis vessel before the calcination step was found to play an important role in the direct calcination synthesis. The material was characterised by Transmission Electron Microscopy (TEM), and the specific surface area was determined by nitrogen adsorption (BET-method)

Publishing year

2002

Language

English

Publication/Series

7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science

Document type

Conference paper

Publisher

Lund University

Topic

  • Chemical Sciences

Keywords

  • CeO<sub>2</sub> matrix
  • surface area
  • transmission electron microscopy
  • TEM
  • nitrogen adsorption
  • CeO<sub>2</sub>
  • precipitation
  • gelling stage
  • calcination
  • ethanol
  • ambient conditions
  • Pluronics 123
  • copolymer surfactant
  • template
  • mesoporous cerium dioxide thin films synthesis
  • high crystallinity

Conference name

Proceedings of 7th International Conference on Nanometer-Scale Science and Technology and 21st European Conference on Surface Science (NANO-7/ECOSS-21)

Conference date

2002-06-24 - 2002-06-28

Conference place

Malmö, Sweden

Status

Published