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

<div>Upconversion emission spectra for Y2O3:Er3+-Yb3+ nanophosphors using different precipitant agents.</div>

Journal of Nanomaterials

Figure 7: Enhancement of Visible Upconversion Emission in Y2O3:Er3+-Yb3+ by Addition of Thiourea and LiOH in the Phosphor Synthesis