Direct recording and reading of mechanical force by afterglow evaluation of multi-piezo mechanoluminescent material Li0.12Na0.88NbO3 on well-designed morphotropic phase boundary DOI Creative Commons
Tomoki Uchiyama,

Taisei Atsumi,

Koki Otonari

et al.

Applied Physics Letters, Journal Year: 2024, Volume and Issue: 124(17)

Published: April 22, 2024

Mechanoluminescence (ML) refers to the photon emission from materials subjected mechanical stimuli. A general concept concerning ML is that they cannot directly record a stress history (mechanical record; MR). Here, we report an approach retrieves quantitative recording of through afterglow characteristics analysis specific multi-piezo material Li0.12Na0.88NbO3:Pr (LNNO), which has been designated exist near structural phase boundary rhombohedral R3c and orthorhombic P21ma. Contrary expectation are irrelevant loading history, LNNO was strongly correlated with distribution after UV excitation. This enabled us read recorded precisely image material. Furthermore, spatial MR also realized, showing capability readout in both time space. unusual function attributed eliminating shallow trap sites, affected upon applying load.

Language: Английский

Competitive Phase Transition of NaYS2 in Non‐Vacuum Environment for Cutting‐Edge Anti‐Counterfeiting DOI Open Access
Wen­hua Zhao, Lifan Shen, Edwin Yue‐Bun Pun

et al.

Advanced Optical Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract Recently, chalcogenides with layered structures exhibit promising applications in the fields of information chaos processing and compilation remodeling, yet facile synthesis their microcrystals multi‐temporal multi‐modal luminescence remains a major challenge. Herein, competitive phase transition to generate orderly NaYS 2 is achieved by lattice reconstruction introduction S 2− occupying unique anionic site non‐vacuum sulfur‐rich environment, revealing crucial role transitions regulating material structure properties. Simultaneous photoinduced luminescent chromism photo‐stimulated are attained introducing Pr 3+ . Interestingly, broadband long‐wavelength visible afterglow emission 4f 1 5d cluster state reversible temporary change upconversion from orange green narrowband occurs under continuous 980 nm excitation, which attributed ordered polarization YS 6 layer injection defects. Furthermore, integrating long‐lived down‐conversion relatively short‐lived up‐conversion ‐doped , multilevel dynamic optical anti‐counterfeiting platform constructed based on transient long luminescence. This work implements 2D structure, providing new model tunable space‐time resolved for spatiotemporal optoelectronic multiplexing, applicable large‐capacity encryption, data storage, biosensing.

Language: Английский

Citations

0
Tunable orange-deep red photoluminescence in amorphous KZn1−xMnx(PO3)3 phosphors and anti-counterfeiting applications DOI

Jiayue Jiang,

Hao Wang, Tingting Zhao

et al.

Dalton Transactions, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

KZn 1− x Mn (PO 3 ) phosphors have three phases. Among them, an amorphous phosphor exhibits a wide spectral range of luminescent color tunability and has no TL traps, while the β-KZn strong properties.

Language: Английский

Citations

0
Trap‐Assisted Mechanoluminescence in Mn2+‐Doped Transparent Amorphous Glass for Potential Stress Sensing DOI Open Access
Hongjun Jiang, Zhihao Zhou, G. Ji

et al.

Advanced Optical Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 20, 2025

Abstract Mechanoluminescence (ML) materials have shown great promise in stress sensing, structural monitoring, information encryption etc., but are primarily based on crystalline material with limited processability, environmental stability, and optical transparency, which seriously hinder their applications. Here, a highly transparent Mn 2+ ‐doped amorphous glass system significant ML properties is designed. A composition modulation strategy proposed to engineer defects within the network structure, ensures more numerous activate of . Under repeated charging–discharging cycles, samples present remarkable repeatability recovery performance, intensity demonstrates zero‐quenching performance after being placed various solutions for 14 days. Combined Raman, EPR spectra, TL experiments, inherent relationship between traps clarified, where oxygen vacancies responsible generation ML. Based ideal high transparency designed glass, application prospects identification detection evaluated. This work provides design principle accelerate development toward versatile photonic

Language: Английский

Citations

0
Defects in Inorganic Mechanoluminescent Phosphors: Insights and Impacts DOI Creative Commons
Wenhao Li, Sheng Wu, Jing Ren

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 27, 2025

Abstract Mechanoluminescence (ML), the light emission of materials in response to mechanical stimuli, has gained significant attention various fields due situ and real‐time “force light” converting ability. Defects dominate ML process, either for accommodating carriers or as sites carrier recombination. However, comprehensive discussions on ML‐based defects are rarely reported. The review opens with an exploration recent progress research, highlighting central role ML. A range defect types commonly exist firstly introduced, which aims highlight profound influences Subsequently reported defect‐dominated phosphors researched elucidate intricate relationship between specific their influence performance, shedding underlying luminescence mechanisms. Afterward, experimental techniques characterization also demonstrate how work computational modeling is confirmed act a powerful tool investigating atomistic mechanisms defect‐related processes enabling precise control materials. In conclusion, this mini‐review underscores centrality materials, offering integrated perspective potential guide future research endeavors.

Language: Английский

Citations

0
Efficient synthesis of quaternary piezo-photonic materials for pressure visualization and E-signature anti-counterfeiting DOI
Jiaren Du,

Tengyue Wang,

Yukun Li

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 494, P. 152989 - 152989

Published: June 18, 2024

Language: Английский

Citations

2
Near‐Infrared Mechanoluminescence of Gd3Ga5O12: Cr3+, La3+ for Biological Stress Imaging DOI

Weifang Bu,

Ting Wang, Yuan Wang

et al.

Laser & Photonics Review, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 31, 2024

Abstract Near‐infrared (NIR) mechanoluminescence (ML), capable of visualizing internal biological stress, is crucial for advancing in vivo bioimaging applications. Nonetheless, the scope its applications significantly constrained by scarcity available ML materials as well unsatisfied efficiency. In this work, a NIR‐ML phosphor Gd 3 Ga 5 O 12 : Cr 3+ (GGO: ) synthesized, which characterized peak at 725 nm and full width half maximum (FWHM) 100 nm. The phenomenon GGO: demonstrated to stem from contact electrification generated interaction between corresponding oxide powder employed elastomer. Accordingly, intensity manipulated be increased 340%, attributed enhanced surface potential incorporation La ions. Furthermore, /polydimethylsiloxane (PDMS) film performs excellent tissue penetration, indicates promising situ monitoring stress. Hence, it paves way novel within living organisms.

Language: Английский

Citations

2
Direct recording and reading of mechanical force by afterglow evaluation of multi-piezo mechanoluminescent material Li0.12Na0.88NbO3 on well-designed morphotropic phase boundary DOI Creative Commons
Tomoki Uchiyama,

Taisei Atsumi,

Koki Otonari

et al.

Applied Physics Letters, Journal Year: 2024, Volume and Issue: 124(17)

Published: April 22, 2024

Mechanoluminescence (ML) refers to the photon emission from materials subjected mechanical stimuli. A general concept concerning ML is that they cannot directly record a stress history (mechanical record; MR). Here, we report an approach retrieves quantitative recording of through afterglow characteristics analysis specific multi-piezo material Li0.12Na0.88NbO3:Pr (LNNO), which has been designated exist near structural phase boundary rhombohedral R3c and orthorhombic P21ma. Contrary expectation are irrelevant loading history, LNNO was strongly correlated with distribution after UV excitation. This enabled us read recorded precisely image material. Furthermore, spatial MR also realized, showing capability readout in both time space. unusual function attributed eliminating shallow trap sites, affected upon applying load.

Language: Английский

Citations

1