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- W2377851312 abstract "The red phosphors of SrCeO3:Sm3+,M+(M = Li,Na,K) were synthesized by a sol?gel method.The X-ray diffraction patterns and photoluminescence spectra were determined to characterize their phase structural and luminescent properties.The effect of charge compensation on the luminescence properties of sample SrCeO3:Sm3+ was investigated.The results show that there is no apparent phase structure transformation of the SrCeO3 matrix after doping appropriate amount of charge compensators.The excitation spectra of the sample consisted of Ce4+→O2-charge transitions and Sm3+ ion excitation peak.Under an ultraviolet excitation with a wavelength of 408 nm,the sample emits a red luminescence due to the transition 4G5/2→6H7/2 of Sm3+,and the maximum emission peak is at 601 nm.The luminescence intensity firstly increased and then decreased with the increase of doping amount of charge compensators.However,the doping amount of charge compensator corresponding to the maximum emission intensity is different with different charge compensators,and the optimum doping amount of charge compensators Li+,Na+ and K+ are 5%,2% and 0.8%,respectively." @default.
- W2377851312 created "2016-06-24" @default.
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- W2377851312 date "2012-01-01" @default.
- W2377851312 modified "2023-09-23" @default.
- W2377851312 title "Influence of Charge Compensation on Spectra Characteristics of SrCeO_3:Sm~(3+) Phosphor" @default.
- W2377851312 hasPublicationYear "2012" @default.
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