Abstract

The paper reports synthesis, characterization, and luminescence studies of different erbium-ion-doped Gd2Zr2O7 phosphor with fixed and variable concentration of ytterbium. Herein, pure Gd2Zr2O7 and Er, Yb doped Gd2Zr2O7 phosphors were synthesized by solid-state reaction method which is suitable for large-scale production and maintained morphology of the phosphor. Phosphor were synthesized for Er (1–2 mol%) with Yb (1 mol%) was fixed. The pure synthesized phosphor shows downconversion (UV to visible converter) having gadolinium dominating peaks covers all visible region and useful for display devices application including solid-state lightening. For Yb used as a sensitized and Er used as an activator having impurity in Gd2Zr2O7 host matrix shows upconversion (IR to Visible) phenomenon and erbium ions are responsible for prominent peaks and transition in Gd2Zr2O7 host matrix. The upconversion behavior of prepared phosphor is useful for optical communication and it is application for low-power consumption in display applications. Prepared phosphors were characterized by XRD for pure Gd2Zr2O7 host matrix. It is applicable for optical amplifiers through development of improved rare-earth doped optical fibers. We demonstrated the efficiency of codoping with core of Erbium/Ytterbium doped optical fibers to improve their radiation tolerance.

© 2016 IEEE

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