A new mechanoluminescence phosphor Na3Sc2(PO4)3:Eu2+: Phase transition-assisted defect formation in a polymorphic composition
Source abstract
Abstract
Abstract A new mechanoluminescent phosphor was developed from a sodium (Na) superionic conductor (NASICON)-structured Na3Sc2(PO4)3:Eu2+ phosphor that is known for its self-healing properties. The compound that crystalized assuming monoclinic C2/c symmetry was found to be blue-emitting, with no noticeable persistent luminescence. Thermoluminescence analysis showed that the phosphor had two prominent distinct thermal emission bands corresponding to the high-temperature β- and γ-phases of the composition. The mechanoluminescence properties of the material that does not have any persistent luminescence at room temperature were investigated by imparting impulsive strain. The compound on charging with 365 nm radiation was found to have significant mechanoluminescent emission originating from shallow defects present in the β-phase of composition that formed by the stress-induced phase transition process. Its emission characteristics and temporal behavior were investigated by varying the impact velocity.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Radiation Detection and Scintillator Technologies · Nuclear materials and radiation effects
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (22)
Show source-provided references
1. Trap depth engineering of SrSi2O2N2:Ln2+,Ln3+ (Ln2+= Yb, Eu; Ln3+= Dy, Ho, Er) persistent luminescence materials for information storage applications10.1021/acsami.7b17271 ↗
2. S. Wu, Z. Pan, R. Chen, X. Liu, Fundamentals of Luminescent Materials, Long Afterglow Phosphorescent Materials, Springer2017, pp. 1-19.10.1007/978-3-319-60421-3_1 ↗
3. A review of mechanoluminescence in inorganic solids: compounds, mechanisms, models and applications10.3390/ma11040484 ↗
4. Formation of deep electron traps by Yb3+ codoping leads to super-long persistent luminescence in Ce3+-doped yttrium aluminum gallium garnet phosphors10.1021/acsami.8b02758 ↗
5. Sustainable mechanoluminescence by designing a novel pinning trap in crystals10.1021/acs.jpcc.8b06714 ↗
6. Optical data storage and multicolor emission readout on flexible films using deep‐trap persistent luminescence materials10.1002/adfm.201705769 ↗
7. Zhao · 2016 · 1
8. Photon emission induced by fracture of hard brittle materials-Fractoluminescence
9. Fractoluminescence from brittle and ductile homogeneous solids10.1016/j.jlumin.2014.03.005 ↗
10. Optimization of strontium aluminate-based mechanoluminescence materials for occlusal examination of artificial tooth10.1016/j.msec.2018.06.056 ↗
11. Mechanoluminescence properties of Mn2+-doped BaZnOS phosphor10.1039/C6TC02760A ↗
12. Quantitative full-field strain measurements by SAOED (SrAl2O4:Eu2+, Dy3+) mechanoluminescent materials10.1088/0964-1726/25/9/095032 ↗
13. Remote and portable mechanoluminescence sensing system based on a SrAl2O4:Eu,Dy film and its potential application to monitoring the safety of gas pipelines10.1016/j.ijleo.2017.12.151 ↗
14. Modelling of fracto-mechanoluminescence damage sensor for structures10.1016/j.sna.2015.04.005 ↗
15. Lanthanide mechanoluminescence10.1016/j.jre.2017.09.005 ↗
16. A zero-thermal-quenching phosphor10.1038/nmat4843 ↗
17. Catalytic activity of Li1+xHf2–xInx(PO4)3-based NASICON-type materials for ethanol conversion reactions10.1134/S0020168518070117 ↗
18. Larson · 1994 · 86
19. Crystal structures, local atomic environments, and ion diffusion mechanisms of scandium-substituted sodium superionic conductor (NASICON) solid electrolytes10.1021/acs.chemmater.7b05237 ↗
20. Structural investigation of monoclinic‐rhombohedral phase transition in Na3Zr2Si2PO12 and doped NASICON10.1111/jace.13692 ↗
21. Nonlinear stress-strain behavior and stress-induced phase transitions in soft Pb(Zr1−xTix)O3 at the morphotropic phase boundary10.1103/PhysRevB.87.094116 ↗
22. Mechanoluminescence, photoluminescence and thermoluminescence studies of SrZrO3:Ce phosphor