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AN TANG1, DINGFEI ZHANG1,* , LIU YANG2, XIAOHONG WANG1
Red-emitting phosphor LaInO3:Eu3+ for LED was synthesized by solid-state reaction at 1250 oC. X-ray diffraction, particle size analyzer and spectrometer were used to characterize the phosphor. The prepared LaInO3:Eu3+ phosphor has an orthorhombic crystal structure with pure phase and the average diameter of LaInO3:Eu3+, Bi3+ particles is about 2.15 μm. The phosphor LaInO3:Eu3+ can be efficiently excited by near ultraviolet and blue light to emit intense red light at 612 nm due to the Eu3+ transition of 5D0→7F2. The emission intensity is the strongest when the Eu3+ content reaches 0.20 mole fraction. The optimal Bi3+ concentration in the LaInO3:0.20Eu3+ is 0.03 mole fraction. The luminescence intensity of the LaInO3:0.20Eu3+, 0.03Bi3+ is higher than that of without Bi3+ phosphor. The results indicate that LaInO3:Eu3+,Bi3+ phosphor is a prospective potoluminescent material for white LED..
LaInO3, Phosphors, Luminescence, White LED.
AN TANG, DINGFEI ZHANG, LIU YANG, XIAOHONG WANG, Luminescent properties of a new red-emitting phosphor based on LaInO3 for LED, Optoelectronics and Advanced Materials - Rapid Communications, 5, 10, October 2011, pp.1031-1034 (2011).
Submitted at: Aug. 27, 2011
Accepted at: Oct. 20, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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