Figure 11

Excitation powers dependent TRQ of (a) green and (b) red emissions of Y2O3:1%Er3+, 0.2%Tm3+, and (c) red to green intensity ratio of Y2O3:1%Er3+, 0.2%Tm3+.

Excitation powers dependent TRQ of (a) green and (b) red emissions of Y2O3:1%Er3+, 0.2%Tm3+, and (c) red to green intensity ratio of Y2O3:1%Er3+, 0.2%Tm3+.