Enhancement of Visible Upconversion Emission in Y<sub>2</sub>O<sub>3</sub>:Er<sup>3+</sup>-Yb<sup>3+</sup> by Addition of Thiourea and LiOH in the Phosphor Synthesis

<div>EDX analysis for the sample prepared with Thiourea and Lithium Hydroxide.</div>

Journal of Nanomaterials

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Figure 4

Figure 4: Enhancement of Visible Upconversion Emission in Y<sub>2</sub>O<sub>3</sub>:Er<sup>3+</sup>-Yb<sup>3+</sup> by Addition of Thiourea and LiOH in the Phosphor Synthesis 

Journal of Nanomaterials

Enhancement of Visible Upconversion Emission in Y2O3:Er3+-Yb3+ by Addition of Thiourea and LiOH in the Phosphor Synthesis

Figure 4

Enhancement of Visible Upconversion Emission in Y₂O₃:Er³⁺-Yb³⁺ by Addition of Thiourea and LiOH in the Phosphor Synthesis