Research Article
Tunable Upconversion Luminescence and Energy Transfer Process in BaLa2ZnO5:Er3+/Yb3+ Phosphors
Figure 4
UC emission spectra of BaLa2ZnO5:0.05Er3+/0.10Yb3+ with different pumping power (a) and dependence of green and red UC emission intensities upon pumping power (b).
| (a) |
| (b) |