期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 9, 期 22, 页码 7065-7073出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1tc00254f
关键词
-
资金
- East China Normal University 2019 Undergraduate Innovation and Entrepreneurship Training and Cultivation Project [2019PY-291]
LEDs are dominant in the lighting industry, and improving the quantum yield of phosphors is crucial for energy efficiency. Researchers have synthesized high quantum yield green and yellow phosphors, which have been successfully applied to white LED technology.
LEDs are currently dominant in the lighting industry. Improving the quantum yield of phosphors is important for the efficient utilization of energy. Herein, we have synthesized rare earth element doped green phosphors LaMoBO6:Tb3+ and yellow phosphors LaMoBO6:Tb3+,Eu3+/Sm3+, which can be excited by both ultraviolet light and blue light. Co-doping with Bi3+ significantly increases the quantum yield of yellow phosphors, and the quantum yield of LaMoBO6:Tb3+,Eu3+,Bi3+ reaches a maximum value of 92%, which is comparable to those of the state of the art yellow phosphors. These yellow phosphors were combined with ultraviolet LEDs and blue phosphors to form white LEDs. Additionally, these yellow phosphors were combined with visible blue LEDs to form white LEDs. LaMoBO6:Bi3+,Tb3+,Eu3+/Sm3+ yellow phosphors with high quantum yield that can be excited by blue light are competitive candidates for white LED applications.
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