Synthesis and Downconversion Emission Property of Yb₂O₃:Eu³⁺ Nanosheets and Nanotubes

Figure 5

Photoluminescence emission spectra of different concentrations of Eu³⁺ doped Yb₂O₃: (a) 1% Eu³⁺, (b) 2% Eu³⁺, (c) 5% Eu³⁺, and (d) 10% Eu³⁺ by excitation at 395 nm.