Journal
OPTICAL MATERIALS EXPRESS
Volume 8, Issue 7, Pages 1850-1862Publisher
Optica Publishing Group
DOI: 10.1364/OME.8.001850
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Funding
- National Natural Science Foundation of China [11604115, 11547023]
- Educational Commission of Jiangsu Province of China [17KJA460004]
- Huaian Science and Technology Funds [HAC201701]
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A series of Sr4La(PO4)(3)O: Ce3+, Tb3+, Mn2+ phosphors have been synthesized with a high temperature solid-state method. The luminescence properties, thermal stability, and energy transfer from Ce3+ to Tb3+ and Mn2+ in Sr4La(PO4)(3)O were investigated in detail. Through energy transfer, the weak green emission from Tb3+ and red emission from Mn2+ can be significantly enhanced by the introduction of the sensitizer Ce3+ ions. The emission color can be tuned by changing the ratio of Ce3+/Tb3+ and Ce3+/Mn2+ ions. White light was obtained with chromaticity coordinates of (0.3326, 0.3298) in the Sr4La(PO4)(3)O: 0.12Ce(3+), 0.3Mn(2+) sample, indicating that the Sr4La(PO4)(3)O: Ce3+, Tb3+, Mn2+ phosphors may have potential application in white LEDs. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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