Site occupancy and luminescence properties of Eu3+ in double salt silicate Na3LuSi3O9

Xie, Liujing; Zhong, Jiuping; Liang, H.; Zhang, Jianhui; Wu, Mingmei

doi:10.1364/ome.8.000736

Cited by 23 publications

(11 citation statements)

References 16 publications

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“…The two peaks at 592 ( 5 D 0 – 7 F 1 ) and 615 nm ( 5 D 0 – 7 F 2 ) are ascribed to the magnetic dipole and electric dipole transitions, respectively. The strong peak at 615 nm, which corresponds the 5 D 0 → 7 F 2 transition, can be attributed to the allowed electric dipole transition with inversion antisymmetry. − In our Eu–DMSO sample, this emission (615 nm) splits into two components (613 and 617 nm), which can be attributed to the splitting of the 7 F 2 level in a low-symmetry site. In theory, the 7 F 2 level splits into three crystal field levels of A1 and 2E with a low-symmetry site.…”

Section: Resultsmentioning

confidence: 74%

“…In fact, the luminescence spectroscopy of the europium ion has been exploited to elucidate the structure of natural and synthetic compounds . The fact that 7 F 0 and 5 D 0 levels are nondegenerate, its number of components suggests the number of different metal–ion sites. − As shown in Figure (left), the 5 D 0 – 7 F 0 emission is a single peak in DMSO, indicating that Eu 3+ ions occupy an equivalent site. The 5 D 0 – 7 F 0 transition of Eu 3+ is forbidden by both electric dipole transitions (EDT) and magnetic dipole transition (MDT) mechanisms, thereby resulting in very weak luminescence.…”

Section: Resultsmentioning

confidence: 97%

“…As labeled in Figure (right), the two sharp peaks at 592 and 615 nm are ascribed to the magnetic dipole ( 5 D 0 → 7 F 1 ) and electric dipole ( 5 D 0 → 7 F 2 ) transitions, respectively. As the symmetry ratio ( 5 D 0 → 7 F 2 / 5 D 0 → 7 F 1 ) can provide information about the quality structure of the material, − , the intensity ratio of 5 D 0 → 7 F 2 to 5 D 0 → 7 F 1 might be sensitive to water too. However, the ratios of 5 D 0 → 7 F 2 (613 and 617 nm) to 5 D 0 → 7 F 1 (592 nm) transitions are not really sensitive to water, as shown in Figure S5.…”

Section: Resultsmentioning

confidence: 99%

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Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Pandey

et al. 2020

ACS Omega

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Photoluminescence of Eu3+ in DMSO is intense and ultrasensitive to water, thereby providing a novel method for water detection. Herein, for the first time, we investigated the effects of Eu3+ concentration on luminescence and developed a multiparameter method for trace water detection based on a single luminescence agent. To further extend its practical applications, we explored its performance for water detection in ethanol and gasoline. Our findings demonstrate that it is a sensitive and reliable probe for the detection of a wide concentration range of water in ethanol (0–24.24%) and gasoline (0–32.43%), making Eu–DMSO a promising candidate to detect water in a wide concentration range. These phenomena not only make Eu–DMSO a sensitive agent for in situ water detection in real time but also provide scientifically interesting mechanisms behind its application as a water sensing probe.

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Section: Resultsmentioning

confidence: 74%

Section: Resultsmentioning

confidence: 97%

Section: Resultsmentioning

confidence: 99%

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Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Pandey

et al. 2020

ACS Omega

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“…The 5 D 0 → 7 F 0 transition is strictly forbidden by the selection rules, so its intensity is usually very weak and can only be observed in hosts with low symmetry ( C s , C n , and C nv ). The 5 D 0 → 7 F 0 transition cannot be split by crystal field, which indicates that every 5 D 0 → 7 F 0 peak corresponds to a special site. , Therefore, the observation of the 5 D 0 → 7 F 0 emission line indicates that Eu 3+ ions are in asymmetrical environment.…”

Section: Resultsmentioning

confidence: 99%

“…The 5 D 0 → 7 F 0 transition cannot be split by crystal field, which indicates that every 5 D 0 → 7 F 0 peak corresponds to a special site. 35,36 Therefore, the observation of the 5 D 0 → 7 F 0 emission line indicates that Eu 3+ ions are in asymmetrical environment.…”

Section: Inorganic Chemistrymentioning

confidence: 98%

Temperature-Induced Structural Transformations in Undoped and Eu³⁺-Doped Ruddlesden–Popper Phases Sr₂SnO₄ and Sr₃Sn₂O₇: Relation to the Impedance and Luminescence Behaviors

Stanulis

Katelnikovas²,

Salak

et al. 2019

Inorg. Chem.

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We report that luminescence of Eu 3+ ion incorporated into Ruddlesden-Popper phases allows monitoring phase transition in powders (instead of single crystals), in a time efficient manner (compared to neutron diffraction), and importantly, with greater sensitivity than previous methods. Crystal structure and dielectric response of undoped and 0.5%Eu 3+-doped Sr 3 Sn 2 O 7 ceramics were studied as a function of temperature over the temperature range of 300-800 K. The luminescence studies of 0.5%Eu 3+-doped Sr 2 SnO 4 and Sr 3 Sn 2 O 7 samples were performed in the temperature range of 80-500 K. These results were compared with the respective dependences for the undoped compounds. The structural transformations in 0.5%Eu 3+-doped Sr 3 Sn 2 O 7 were found at 390 and 740 K. The former is associated with the isostructural atomic rearrangement resulted in a negative thermal expansion along two of three orthorhombic crystallographic axes, while the latter corresponds to the structural transition from the orthorhombic Amam phase to the tetragonal I4/mmm one. A similar temperature behavior with the structural transformations in the same temperature ranges was observed in undoped Sr 3 Sn 2 O 7 , although the values of lattice parameters of the Eu 3+-doped and undoped compounds were found to be slightly different 2 indicating an incorporation of europium in the crystal lattice A dielectric anomaly associated with a structural phase transition was observed in Sr 3 Sn 2 O 7 at 390 K. Optical measurements carried out over a wide temperature range demonstrated a clear correlation between structural transformations in Eu 3+doped Sr 2 SnO 4 and Sr 3 Sn 2 O 7 and the temperature anomalies of their luminescence spectra; suggesting the efficacy of this method for the determination of subtle phase transformations.

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Tunable luminescence from Bi³⁺ sensitized La₂Zr₂O₇:Eu³⁺ red nanophosphors for display applications

Kumar

Venkatarao

Shaik³

et al. 2022

Luminescence

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Bismuth ion (Bi3+) sensitized, europium ion (Eu3+) activated La2Zr2O7 nanophosphors are prepared successfully by simple wet chemical method. Strong blue emission of singly doped La2Zr2O7 with Bi3+ was observed at 310 nm excitation, its wide emission spectrum has a peak maximum at 465 nm ascribed to electronic transition 3P1 → 1S0 of Bi3+. The recorded photoluminescence spectra of y at% Eu3+ codoped La2Zr2O7, when excited at 285 nm, the emission spectrum exhibits maximum peaks at wavelength values 615 nm, 646 nm and 665 nm which are ascribed to 5D0 → 7F2, 5D0 → 7F3 and 5D0 → 7F4 transitions of Eu3+ respectively. The chromaticity coordinates for the optimized sample were found to be (0.519, 0.329). Sensitizing with Bi3+ can affect the luminescence properties of La2Zr2O7:Eu3+ phosphors. With reference to the change in Eu3+ concentration from Y = 1, 2, 3, 4 and 5%, color tunable luminescence from blue to orange, red of La2Zr2O7:Bi3+,Eu3+ phosphors are observed. The lifetime decay values, energy level description and CIE chromatic color coordinates for Bi3+, Eu3+ in La2Zr2O7:Bi3+,Eu3+ codoped sample was discussed. The spectral overlap between sensitizer, activator ions confirms the efficient energy transfer from Bi3+ to Eu3+ in La2Zr2O7:Bi3+,Eu3+ codoped sample and is via a dipole‐quadruple mechanism.

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Site occupancy and luminescence properties of Eu³⁺ in double salt silicate Na₃LuSi₃O₉

Cited by 23 publications

References 16 publications

Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Temperature-Induced Structural Transformations in Undoped and Eu³⁺-Doped Ruddlesden–Popper Phases Sr₂SnO₄ and Sr₃Sn₂O₇: Relation to the Impedance and Luminescence Behaviors

Tunable luminescence from Bi³⁺ sensitized La₂Zr₂O₇:Eu³⁺ red nanophosphors for display applications

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Site occupancy and luminescence properties of Eu3+ in double salt silicate Na3LuSi3O9

Cited by 23 publications

References 16 publications

Optimization of Eu3+ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Optimization of Eu3+ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Temperature-Induced Structural Transformations in Undoped and Eu3+-Doped Ruddlesden–Popper Phases Sr2SnO4 and Sr3Sn2O7: Relation to the Impedance and Luminescence Behaviors

Tunable luminescence from Bi3+ sensitized La2Zr2O7:Eu3+ red nanophosphors for display applications

Contact Info

Product

Resources

About

Site occupancy and luminescence properties of Eu³⁺ in double salt silicate Na₃LuSi₃O₉

Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Optimization of Eu³⁺ Luminescence in DMSO as a Multiparameter Method for Trace Water Detection

Temperature-Induced Structural Transformations in Undoped and Eu³⁺-Doped Ruddlesden–Popper Phases Sr₂SnO₄ and Sr₃Sn₂O₇: Relation to the Impedance and Luminescence Behaviors

Tunable luminescence from Bi³⁺ sensitized La₂Zr₂O₇:Eu³⁺ red nanophosphors for display applications