Novel NASICON-type Na3.6Y1.8-(PO4)3:xDy3+ phosphor: Structure and luminescence
Source abstract
Abstract
Abstract Single-phase Na3.6Y1.8-x(PO4)3:xDy3+ phosphors were synthesized by high-temperature solid-state reaction. Powder X-ray diffraction study reveals that a homogeneous solid solution with a NASICON-type structure is formed at 0 ≤ x ≤ 0.4. Luminescence properties of the phosphors were studied using the methods of UV and VUV spectroscopy. Narrow emission bands originating from intraconfigurational transitions in Dy3+ were detected in the region 450–800 nm and optimal concentration of the dopant determined. The concentration quenching of Dy3+ emission is shown to be due to dipole-interaction. In addition, two broad bands were detected in the UV and blue spectral regions, which were tentatively ascribed to the intrinsic emission of self-trapped excitons and defect-related centers, respectively. Optical bandgap energy of Na3.6Y1.8(PO4)3 was estimated to Eg ∼ 7.1 eV. Influence of temperature on luminescence characteristics was studied.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Solid-state spectroscopy and crystallography · Radiation Detection and Scintillator Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (30)
Show source-provided references
1. Stabilizing colour and intensity10.1038/nmat4901 ↗
2. VUV spectroscopic properties of rare-earth (RE = Eu, Tb and Dy) - doped A2Zr(PO4)2 (A = Li, Na and K) phosphates10.1016/S1002-0721(14)60167-8 ↗
3. Recent advances in solid-state LED phosphors with thermally stable luminescence10.1016/j.jre.2018.11.001 ↗
4. A zero-thermal-quenching phosphor10.1038/nmat4843 ↗
5. Thermally stable Na3.6Y1.8(PO4)3:Eu3+ phosphor, luminescent properties and application in WLEDs10.1016/j.jallcom.2019.153513 ↗
6. A novel single-phase Na3.6Y1.8(PO4)3:Bi3+,Eu3+ phosphor for tunable and white light emission10.1016/j.ceramint.2020.08.132 ↗
7. Up-conversion luminescent properties of Er3+/Yb3+ co-doped transparent glass ceramics containing Na3.6Y1.8(PO4)3 crystals10.1016/j.jallcom.2017.09.001 ↗
8. A novel single-phase Ba3P4O13:Dy3+,Eu3+ phosphor with tunable-emission and high thermal stability10.1016/j.ijleo.2020.166250 ↗
9. How to produce white light in a single-phase host?10.1039/C3CS60314H ↗
10. Luminescent properties of Dy3+ doped Sr3Y(PO4)3 for white LEDs10.1016/j.matlet.2013.06.001 ↗
11. Radiographic investigation of the system Na3PO4 – YPO4
12. NASICON analog Na3Sc2(PO4)3: thermal behavior of the α, β and γ types, structure, correlations and transitions10.1016/S0167-2738(88)80079-1 ↗
13. Revised effective ionic radii and systematic studies of interatomic distances in halides and chaleogenides10.1107/S0567739476001551 ↗
14. Optical absorption and fluorescence spectra of Dy3+ in LaF310.1063/1.1669434 ↗
15. White light emission by Dy3+ doped phosphor matrices: a short review10.1007/s10895-015-1689-8 ↗
16. Novel thermally robust warm white light emitting phosphor Ca18Li3Y(PO4)14:Dy3+: synthesis, crystal structure and luminescence property investigation10.1016/j.molstruc.2020.129471 ↗
17. Energy transfer and color-tunable luminescence properties of Dy3+ and Eu3+ co-doped Na3Sc2(PO4)3 phosphors for near-UV LED-based warm white LEDs10.1016/j.dyepig.2018.03.053 ↗
18. Energy transfer between inequivalent Eu2+ ions10.1016/0022-4596(86)90233-1 ↗
19. Blasse · 1994
20. Near white light emission and concentration quenching of calcium titanate doped with dysprosium (III) phosphors10.1007/s10895-018-02344-2 ↗
21. The Eu3+ charge transfer energy and the relation with the band gap of compounds10.1016/j.jlumin.2004.07.003 ↗
22. Charge transfer transitions in the transition metal oxides ABO4:Ln3+ and APO4:ln3+ (A=La, Gd, Y, Lu, Sc; B=V, Nb, Ta; ln=lanthanide)10.1016/j.jlumin.2010.02.035 ↗
23. Luminescence study of the LuBO3 and LuPO4 doped with RE3+10.1016/j.radmeas.2009.12.019 ↗
24. Luminescence of phosphorus containing oxide materials: crystalline SiO2-P and 3P2O5·7SiO2; CaO·P2O5; SrO·P2O5 glasses10.1063/1.4900472 ↗
25. Host sensitization of Gd3+ ions in yttrium and scandium borates and phosphates: application to quantum cutting10.1103/PhysRevB.74.085101 ↗
26. Time-resolved luminescence of complex wide-gap oxide crystals under inner-shell excitation10.1016/j.radmeas.2004.02.010 ↗
27. Cerium-, praseodymium- and terbium-trapped excitons in oxides10.1016/j.cplett.2011.09.029 ↗
28. A new lanthanide activator for iodide based scintillators: Yb2+10.1109/TNS.2013.2253330 ↗
29. Controllable luminescence and efficient energy transfer investigation of a novel white light emission phosphor Ca19Na2Mg(PO4)14:Dy3+, Tm3+ with high thermal stability10.1016/j.saa.2020.119181 ↗
30. Color-tunable luminescence and energy transfer properties of Dy3+/Tm3+ codoped Sr9Mg1.5(PO4)7 phosphor for light-emitting diodes10.1016/j.jlumin.2019.116521 ↗