Ultrasound‐Induced Luminescence from Cr3+‐Doped ZnGa2O4 Glass–Ceramic Composites

Cao, Jiangkun; Ding, Yicong; Sun, Mingfei; Sajzew, Roman; Langenhorst, F.; Wondraczek, Lothar

doi:10.1002/adpr.202300018

Cited by 3 publications

(1 citation statement)

References 46 publications

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“…Specifically, the emission peak at 685 nm belongs to the luminescence of Cr 3+ in an undistorted crystal field, the emission peak at 694 nm belongs to the luminescence of Cr 3+ in a distorted octahedral crystal field due to the anti-site defects, the emission peak at 680 nm belongs to the anti-Stokes sideband, and the emission peaks at 708 nm and 714 nm belong to the Stokes phonon sidebands. 33–35 Noteworthily, Ln 3+ (Ln = Sm, Yb, Tb) ions have little influence on the emission peak positions of the samples, but they have a remarkable enhancement effect on the PL intensity of the samples, which may be ascribed to the superposition effect of the release of the trapped electrons in the produced shallow traps. Moreover, for the Sm 3+ -doped sample, the enhanced absorption confirmed by Fig.…”

Section: Resultsmentioning

confidence: 99%

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Huang,

Han,

Zeng

et al. 2024

Dalton Trans.

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Section: Resultsmentioning

confidence: 99%

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Huang,

Han,

Zeng

et al. 2024

Dalton Trans.

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Trap-controllable near-ultraviolet elastico-mechanoluminescence of Ce³⁺ doped phyllosilicate with melilite-type structure

Wang,

Huang,

Yang

et al. 2024

Opt. Express

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Mechanoluminescence (ML) materials have attracted much attention because of their mechano-optical conversion characteristics, which have shown broad application prospects in stress sensing and anti-counterfeiting technology in the past few decades. However, elastico-ML has not been demonstrated at the near-ultraviolet (NUV) range. In this study, a novel NUV elastico-ML material (Ca, Sr)8Mg3Al2Si7O28:Ce3+ (CSMASOC) with a melilite-type structure is successfully developed. The ML properties of CSMASOC were optimized by adjusting the doping concentration of Ce3+ and cation substitution, and the ML mechanism was also explored by analyzing the ML test under different irradiation conditions and thermoluminescence spectra. The results confirmed that the ML in CSMASOC was derived from 5d-4f transition of Ce3+, and CSMASOC belongs to trap-controllable ML material. In addition, NUV ML material CSMASOC is combined with several commercial phosphors, and constructed multi-color ML in the visible light range. The developed NUV ML materials and the constructed multi-color ML system in this work are critical for expanding the types of ML materials and promoting the practical application of ML materials.

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Thermally recovered mechanoluminescence in Ca₆BaP₄O₁₇:Eu²⁺

Zhou,

Cheng,

Wang

2024

Opt. Lett.

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Stable reproducibility of mechanoluminescence (ML) is of vital importance for trap-controlled ML materials. Photo/electric excitation is usually needed for ML recovery of trap-controlled materials. In this work, it is demonstrated that thermal treatment can be applied to achieve recovery of ML, which is ascribed to the unique trap level configuration. The Ca6BaP4O17:Eu2+ performing robust trap-controlled ML has been proposed, and the corresponding repetitive ML can be realized by thermal treatment. TL spectra reveal that the thermally induced reproducible ML benefits from the dual defect level electronic structure of Ca6BaP4O17:Eu2+. The ML intensity is dependent on the electrons in shallow traps, and the electron transfer from deep traps to shallow traps induced by thermal treatment leads to repetitive ML.

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Ultrasound‐Induced Luminescence from Cr³⁺‐Doped ZnGa₂O₄ Glass–Ceramic Composites

Abstract: The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adpr.202300018.

Cited by 3 publications

References 46 publications

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Trap-controllable near-ultraviolet elastico-mechanoluminescence of Ce³⁺ doped phyllosilicate with melilite-type structure

Thermally recovered mechanoluminescence in Ca₆BaP₄O₁₇:Eu²⁺

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Ultrasound‐Induced Luminescence from Cr3+‐Doped ZnGa2O4 Glass–Ceramic Composites

Abstract: The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adpr.202300018.

Cited by 3 publications

References 46 publications

Near-infrared afterglow enhancement of ZnGa2O4:Cr3+via regulating trap distribution guided by the VRBE diagram

Near-infrared afterglow enhancement of ZnGa2O4:Cr3+via regulating trap distribution guided by the VRBE diagram

Trap-controllable near-ultraviolet elastico-mechanoluminescence of Ce3+ doped phyllosilicate with melilite-type structure

Thermally recovered mechanoluminescence in Ca6BaP4O17:Eu2+

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Ultrasound‐Induced Luminescence from Cr³⁺‐Doped ZnGa₂O₄ Glass–Ceramic Composites

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Near-infrared afterglow enhancement of ZnGa₂O₄:Cr³⁺via regulating trap distribution guided by the VRBE diagram

Trap-controllable near-ultraviolet elastico-mechanoluminescence of Ce³⁺ doped phyllosilicate with melilite-type structure

Thermally recovered mechanoluminescence in Ca₆BaP₄O₁₇:Eu²⁺