4.6 Article

Luminescence spectroscopy of YVO4:Ln3+, Bi3+ (Ln3+ = Eu3+, Sm3+, Dy3+) phosphors

Journal

OPTICAL MATERIALS
Volume 36, Issue 10, Pages 1642-1648

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2013.12.020

Keywords

Yttrium vanadate based phosphors; Rare earth luminescence; Bi3+ co-doping

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The emission spectra of YVO4:Ln(3+) (Ln(3+) = Eu3+, Sm3+ or Dy3+) phosphors both singly doped and co-doped with Bi3+ have been investigated in different experimental conditions in order to assess the effect of the co-doping ions on the luminescence properties. The experimental results have been analyzed in the light of the literature information available on these materials. The role of the Bi3+-V5+ charge transfer state and its influence on the emission properties has been stressed and discussed in details. (C) 2014 Elsevier B.V. All rights reserved.

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