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Journal of Display Technology

Journal of Display Technology


  • Vol. 9, Iss. 7 — Jul. 1, 2013
  • pp: 515–519

Visible Upconverter Based on ${Eu}^{3+}{{–}}{Yb}^{3+}$ Codoped ${TeO}_{2}{{–}} {ZnO}$ Glass

Deepak Kumar Mohanty and Vineet Kumar Rai

Journal of Display Technology, Vol. 9, Issue 7, pp. 515-519 (2013)

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The zinc tellurite glasses (TZO) codoped with ${Eu}^{3+}{{–}} {Yb}^{3+}$ ions have been prepared by the conventional melt and quenching technique. The photoluminescence spectra of the glass samples have been measured under 976-nm CW diode laser excitation. Several upconversion emission bands ranging from the blue to near infrared region have been detected in the codoped samples. The sensitized cooperative energy transfer process from the ${Yb}^{3+}$ to ${Eu}^{3+}$ ions and cross-relaxation process has been found to be responsible mechanism for the upconversion emissions in ${Eu}^{3+}$ ions.

© 2013 IEEE

Deepak Kumar Mohanty and Vineet Kumar Rai, "Visible Upconverter Based on ${Eu}^{3+}{{–}}{Yb}^{3+}$ Codoped ${TeO}_{2}{{–}} {ZnO}$ Glass," J. Display Technol. 9, 515-519 (2013)

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