A. A. Lyapin, S. V. Gushchin, A. S. Ermakov, S. V. Kuznetsov, P. A. Ryabochkina, V. Yu. Proydakova, V. V. Voronov, P. P. Fedorov, M. V. Chernov. Mechanisms and absolute quantum yield of upconversion luminescence of fluoride phosphors[J]. Chinese Optics Letters, 2018, 16(9): 091901
- Chinese Optics Letters
- Vol. 16, Issue 9, 091901 (2018)
Fig. 1. UCL spectra of SrF 2 : Er
Fig. 2. Absorption transition, luminescence transitions, and UC mechanisms of Er 3 + SrF 2 : Er
Fig. 3. Luminescence rise and decay from (a) H 2 9 / 2 H 2 11 / 2 S 4 3 / 2 F 4 9 / 2 G 4 11 / 2 F 4 5 / 2 F 4 7 / 2 Er 3 + SrF 2 : Er
Fig. 4. P -dependent UCL at the (a) S 4 3 / 2 → I 4 15 / 2 F 4 9 / 2 → I 4 15 / 2 Er 3 +
Fig. 5. (a) Spectral power of the UCL of SrF 2 : Er SrF 2 : Er 63 W / cm 2
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Table 1. Quantum Yields, Chromaticity Coordinates x, y and Color Temperature T of SrF2:Er Phosphors
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