Chinese Optics Letters, Volume. 21, Issue 5, 051602(2023)
Effective warm white-light emission with Dy:YAlO3 single crystal
Figures & Tables(8)
Fig. 2. (a) Photographs and test samples of Dy:YAP crystal with a doping concentration of 1%; (b) XRD patterns of 1% Dy:YAP crystal and standard ICSD 4115.
Fig. 4. (a) Absorption spectra of Dy:YAP single crystals; (b) excitation spectra of Dy:YAP crystals with different doping concentrations; (c) PL spectra of Dy:YAP crystals with different doping concentrations and excited at 350 nm; (d) PL spectra of Dy:YAP crystals with different doping concentrations and excited at 450 nm.
Fig. 5. CIE chromaticity coordinates of Dy:YAP crystals with different exciting wavelengths and doping concentrations.
Fig. 6. (a) Schematic of the Dy:YAP white light; (b) white-light spectrum; (c) CIE chromaticity coordinates.
Fig. 7. (a) PLQY with the excited wavelength of 350 nm; (b) PLQY with the excited wavelength of 450 nm; (c) PLQY with different doping concentrations; (d) luminescent lifetime of 1% Dy:YAP crystal.
Table 1. Fluorescence Quantum Efficiency of Various Dy3+-Doped Crystals
View tableView in ArticleTable 1. Fluorescence Quantum Efficiency of Various Dy3+-Doped Crystals
Crystals Efficiency (%) Dy:YAP 46.9 Dy:YAG[ 7 ]39.2 [ 22 ]7 [ 23 ]21.7 Dy, [ 24 ]12.88 [ 25 ]25 [ 26 ]15.16 [ 11 ]16.6
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Cong Zhang, Yunru Chen, Shihui Ma, Honghua Fan, Yonggui Yu, Zhanggui Hu, Ning Ye, Jiyang Wang, Yicheng Wu. Effective warm white-light emission with Dy:YAlO3 single crystal[J]. Chinese Optics Letters, 2023, 21(5): 051602
Paper Information
Category: Optical Materials
Received: Nov. 29, 2022
Accepted: Feb. 8, 2023
Published Online: May. 23, 2023
The Author Email: Shihui Ma (shihuima@email.tjut.edu.cn), Yonggui Yu (yuyg@email.tjut.edu.cn)
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