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


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.


Zn2SiO4 Silicon Source Zinc Silicate Rare Earth Nitrate Scanning Electric Microscope 
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The work was supported by the National Natural Science Foundation of China (91122003) and Developing Science Funds of Tongji University.


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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

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

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