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Sol–gel synthesis and photoluminescence of M2Gd8(SiO4)6O2: RE3+ (M = Ca, Sr; RE = Tb, Eu) phosphors by different silicate sources

  • Lei Zhou
  • Bing Yan
Article

Abstract

Eight kinds of silicate sources were adopted to prepare M2Gd8(SiO4)5O2: RE3+ (M = Ca, Sr; RE = Eu, Tb) phosphors by the sol–gel method. Scanning electronic microscope (SEM) was used to compare the different configuration of patterns rely on eight different silicon sources. X-ray powder diffraction (XRD) also has been employed to analyze their microstructures and particle sizes further. All the phosphor show the characteristic emission 5D4 → 7FJ (J = 6, 5, 4, 3) of Tb ions and 5D0 → 7FJ (J = 1, 2) of Eu ions, indicating that the emission intensity is affected by the silicate sources.

Keywords

Zn2SiO4 Silicon Source Zinc Silicate Rare Earth Nitrate Scanning Electric Microscope 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The work was supported by the National Natural Science Foundation of China (91122003) and Developing Science Funds of Tongji University.

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of ChemistryTongji UniversityShanghaiPeople’s Republic of China

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