Table 1 Summary of RGR in (a) β-NaLuF4:20% Yb/xEr, (b) β-NaLuF4:20% Yb/0.5% Tm/xEr, and (c) β-NaLuF4:20% Yb/1% Tm/xEr (x = 0.5, 2, 5, 10, 20%).
From: Morphology evolution and pure red upconversion mechanism of β-NaLuF4 crystals
(a) | R/G | (b) | R/G | (c) | R/G |
|---|---|---|---|---|---|
20% Yb/0.5% Er | 5.93 | 20% Yb/0.5% Tm/0.5% Er | 1.66 | 20% Yb/1% Tm/0.5% Er | 2.57 |
20% Yb/2% Er | 4.16 | 20% Yb/0.5% Tm/2% Er | 3.46 | 20% Yb/1% Tm/2% Er | 2.93 |
20% Yb/5% Er | 3.66 | 20% Yb/0.5% Tm/5% Er | 9.70 | 20% Yb/1% Tm/5% Er | 10.6 |
20% Yb/10% Er | 3.20 | 20% Yb/0.5% Tm/10% Er | 25.6 | 20% Yb/1% Tm/10% Er | 31.5 |
20% Yb/20% Er | 4.50 | 20% Yb/0.5% Tm/20% Er | 43.7 | 20% Yb/1% Tm/20% Er | 49.3 |
