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Solid State Synthesis, Structural and Up-Conversion Properties of Yb3+/ Er3+ and Yb3+/ Tm3+/ Er3+ Doped La2Ti2O7 Phosphors

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2018

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SPRINGER

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In this work, Yb3+/ Er3+ co-doped and Yb3+/ Tm3+/ Er3+ tri-doped La2Ti2O7 phosphors were synthesized by solid-state reaction method. The phases of the powders were identified using the X-Ray Diffraction (XRD) technique. The purity of the La2Ti2O7 phosphors were tested by energy dispersive spectroscopy (EDS). The photoluminescence properties of La2Ti2O7 phosphors were investigated in the range of 400-850 nm wavelength under 975 nm laser excitation at room temperature. Presence of Tm3+ ion in the tri-doped powder effects the UC-emission processes observed in the powders co-doped with Yb3+/ Er3+.

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https://hdl.handle.net/11424/226129

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