Sensitization Effect of Yb3+ in Upconversion Luminescence of Eu3+Codoped Y2O3 Phosphor

  • Pandey A
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Abstract

For structural information, the X-ray diffraction analysis of Y2O3:Eu3+ phosphors codoped with Yb3+ synthesized by combustion synthesis process has been performed. The upconversion emission study of the Y2O3:Eu3+ phosphor codoped with Yb3+ ions on excitation with 980 nm diode laser in the visible region has been done. The upconversion emissions corresponding to the Eu3+ ions is due to sensitization from Yb3+ ions in developed phosphor, and has been explained on the basis of cooperative energy transfer process. The orange colour emitted from the codoped samples is visualized by CIE diagram. The results show the applicability of the present phosphor as suitable NIR (near infrared) to visible upconverter, and in other photonic devices.

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Pandey, A. (2013). Sensitization Effect of Yb3+ in Upconversion Luminescence of Eu3+Codoped Y2O3 Phosphor. Journal of Physical Chemistry & Biophysics, 03(05). https://doi.org/10.4172/2161-0398.1000129

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