Fig. 7From: Hydrothermal Synthesis and Upconversion Properties of About 19 nm Sc2O3: Er3+, Yb3+ Nanoparticles with Detailed Investigation of the Energy Transfer MechanismPower dependence curves for Er3+: (2H11/2, 4S3/2) → 4I15/2 and 4F9/2 → 4I15/2 transitions in HT-Sc2O3: 1%Er3+, 10%Yb3+ NPsBack to article page