Xufeng GUAN, Guifang LI, Yunge WEI. Microstructure and Thermal Quenching Characteristics of Na1-xMxCaEu(WO4)3 (M=Li, K) Red Phosphor [J]. Journal of Inorganic Materials, 2022, 37(6): 676
- Journal of Inorganic Materials
- Vol. 37, Issue 6, 676 (2022)
1. XRD patterns of phosphors
2. Rietveld refinement XRD patterns of phosphors
3. Excitation spectra of LiCaEu(WO4)3, NaCaEu(WO4)3 and KCaEu(WO4)3 phosphors monitored at 617 nm
4. Emission spectra of phosphors and intensity contrast diagram of phosphors
5. CIE chromaticity diagram of NaCaEu(WO4)3, Na0.7K0.3CaEu(WO4)3 and LiCaEu(WO4)3 phosphors
6. Decay curves of NaCaEu(WO4)3, Na0.7K0.3CaEu(WO4)3 and LiCaEu(WO4)3 phosphors (λ ex=395 nm, λ em=617 nm)
7. Emission spectra of phosphors at different temperatures (λ ex=395 nm) (a-c), plot of ln(I 0/IT- 1) versus 1/(kT ) (d) and schematic illustration of a configuration coordinate diagram of the thermal quenching process (e)
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Table 1. Structure parameters of LiCaEu(WO4)3, NaCaEu(WO4)3 and KCaEu(WO4)3
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Table 2. CIE chromaticity coordinates and color purities of NaCaEu(WO4)3, Na0.7K0.3CaEu(WO4)3 and LiCaEu(WO4)3 phosphors
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