Temperature‐ and Pressure‐Dependent Emissions and Crystal‐ Glass Transition of a Hybrid Manganese Bromide† DOI
Kai Li, Ziying Li, Hang Dong

et al.

Chinese Journal of Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 5, 2024

Comprehensive Summary Herein, the temperature‐ and pressure‐stimulated responsive behavior as well crystal‐glass phase transition of a new zero‐dimensional hybrid manganese bromide [4‐MTPP] 2 [MnBr 4 ] [4‐MTPP + = (4‐methoxybenzyl)tris(phenyl)phosphonium)] were reported. Our experiment results demonstrate that shows typical green photoluminescence emission centered at 522.4 nm excited by UV light, with high quantum yields value 79.36% large lifetime 368.6 μs, attributing to its direct bandgap electronic structure. Further, presents monotonically blue shift increased temperature, originating from decreased crystal field strength where Mn 2+ stays owing lattice thermal expansion effect. On contrary, pressure increases, exhibits progressive red shift, which can be attributed due effect pressure‐induced shrinkage. Meanwhile, quenched successfully restored when returns ambient pressure. In addition, crystals show temperature 74 °C. Intriguingly, melt‐quenched glass under light excitation 302.2 μs.

Language: Английский

Unlocking the Potential of Organic‐Inorganic Hybrid Manganese Halides for Advanced Optoelectronic Applications DOI Open Access
Wei Zhang, Wei Zheng, Lingyun Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 5, 2024

Organic-inorganic hybrid manganese(II) halides (OIMnHs) have garnered tremendous interest across a wide array of research fields owing to their outstanding optical properties, abundant structural diversity, low-cost solution processibility, and low toxicity, which make them extremely suitable for use as new class luminescent materials various optoelectronic applications. Over the past years, plethora OIMnHs with different dimensionalities multifunctionalities such efficient photoluminescence (PL), radioluminescence, circularly polarized luminescence, mechanoluminescence been newly created by judicious screening organic cations inorganic Mn(II) polyhedra. Specifically, through precise molecular engineering, series near-unity PL quantum yields, high anti-thermal quenching excellent stability in harsh conditions devised explored applications light-emitting diodes (LEDs), X-ray scintillators, multimodal anti-counterfeiting, fluorescent sensing. In this review, latest advancements development are summarized, covers from fundamental physicochemical properties advanced applications, an emphasis on functionality design especially LEDs detection imaging. Current challenges future efforts unlock potentials these promising also envisioned.

Language: Английский

Citations

18
Emerging 0D Hybrid Metal Halide Luminescent Glasses DOI
Bohan Li,

Yuzhen Wang,

Yan Xu

et al.

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

Published: Jan. 2, 2025

0D hybrid metal halide (HMH) luminescent glasses have garnered significant attentions for its chemical diversity in optoelectronic applications and it also retains the skeleton connectivity coordination mode of crystalline counterparts while exhibiting various physics/chemistry characteristics distinct from states. However, understanding glass-forming ability specific structural origins underpinning properties HMH remains elusive. In this review, is started solid-liquid phase transition thermodynamic analysis HMHs formed through melt-quenching, summarize current compounds capable stably forming glassy phases via design. The characterization methods are further discussed highlight exceptional transparency, properties, glass crystallization behaviors. Moreover, application prospects demonstrated by these been presented accordingly X-ray detection imaging, anti-counterfeiting, information encryption. Finally, perspective offered into future development emerging family their applications.

Language: Английский

Citations

2
Zero-Dimensional Copper(I) Halide Microcrystals as Highly Efficient Scintillators for Flexible X-ray Imaging DOI
Na Lin,

Xin Wang,

Hongyan Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(31), P. 41165 - 41175

Published: July 25, 2024

Commercially available rare-earth-doped inorganic oxide materials have been widely applied as X-ray scintillators, but the fragile characteristics, high detection limit, and harsh preparation condition seriously restrict their wide applications. Furthermore, it remains a huge challenge to realize flexible imaging technology for real-time monitoring of curving interface complex devices. To address these issues, we herein report two isostructural cuprous halides zero-dimensional (0D) [AEPipz]CuX3·X·H2O (AEPipz = N-aminoethylpiperazine, X Br I) with controllable size nanosize crystal highly efficient scintillators toward imaging. These exhibit cyan photoluminescence radioluminescence emissions highest quantum yield 92.1% light 62,400 photons MeV–1, respectively, surpassing most commercially scintillators. Meanwhile, ultralow limit 95.7 nGyair s–1 was far below dose required diagnosis (5.5 μGyair s–1). More significantly, film is facilely assembled excellent foldability crack resistance, which further acts scintillation screen achieving spatial resolution 17.4 lp mm–1 in imaging, demonstrating potential application wearable radiation radiography. The combined advantages yield, low flexibility promote 0D promising

Language: Английский

Citations

9
Reconfigurable Glass Scintillation Screen for Conformal X‐Ray Imaging of Shape‐Changeable Objects DOI

Jinke Jiang,

Xingchu Mao,

Xiaoxin Zheng

et al.

Laser & Photonics Review, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 23, 2025

Abstract As the kernel component of X‐ray imaging systems, mainstream flat‐panel detectors suffer from image distortion and blurring when applied to irregular shaped objects, because non‐conformal collocation between detector object. Herein, by taking advantage robust glass‐forming capability versatile processability (TPT) 2 MnBr 4 (TPT = propyltriphenylphosphonium) scintillator, reconfigurable scintillation screen for conformal is explored. Compared flexible polymer screens doped with micro‐/nanoparticles, melt‐casted large‐area (20 × 20 cm ) are homogeneous immune light scattering, thus manifesting optical transmittance above 80% in 525−800 nm range high spatial resolution 25.5 lp mm −1 . More impressively, can be reconfigured shape near its glass transition temperature, realizing continuous conformance or changeable objects. Exemplified a flexed elbow joint circuit variational shapes, demonstrate superiorities both clarity (15 versus 3 imaging) reduction radiation dosage. That, plus scalable fabrication process cost‐effective raw materials, will promise great potential customized medical diagnostics industrial inspection.

Language: Английский

Citations

1
Bisphosphonium Cation Based Metal Halide Glass Scintillators with Tunable Melting Points DOI Creative Commons
Jianbin Luo,

Jun‐Hua Wei,

Zi‐Lin He

et al.

Chemical Science, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Organic-inorganic metal halide (OIMH) glass offers the advantages of large-scale production, high transparency, and minimal light scattering. However, undesired crystallization in OIMH can occur, leading to deteriorated transparency. Herein, a series bisphosphonium organic cations were designed construct Mn-based crystals with photoluminescence quantum yield (PLQY) near unity, alongside development highly thermally stable glasses. Two strategies employed lower melting point OIMH: alkyl chain elongation fluorine substitution. The (Hex-3,4-2F)MnBr

Language: Английский

Citations

8
Designing an aromatic moiety-free neutral luminescent manganese(ii) halide scintillator for efficient X-ray imaging DOI
Xiao-Kang Zheng, Zijian Zhou, Zikang Li

et al.

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(23), P. 8296 - 8301

Published: Jan. 1, 2024

An aromatic moiety-free strategy is proposed for the excited state manipulation of a neutral manganese( ii ) halide scintillator towards efficient X-ray imaging with high spatial resolution 11.3 lp mm −1 and low detection limit 34.95 nGy s .

Language: Английский

Citations

6
Emergence of melt and glass states of halide perovskite semiconductors DOI
Akash Singh, David B. Mitzi

Nature Reviews Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Language: Английский

Citations

0
In Situ Crystallization of CsPbBr3 Nanocrystals within a Melt-Quenched Glassy Coordination Polymer DOI

Qing-Peng Peng,

Junhua Wei,

Zi‐Lin He

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 27, 2025

Lead halide perovskite nanocrystal materials such as CsPbX3 (X = Cl, Br, and I) have triggered an intense research upsurge due to their excellent scintillation performance. Herein, in situ crystallization strategy is developed grow CsPbBr3 nanocrystals (NCs) within a low-melting-point (280 °C) coordination polymer (CP) glass. The viscosity of glass reduced through low-temperature (e.g., 50 thermal treatment, enabling the short-distance migration uniformly dispersed ions (Cs+, Pb2+, Br-) achieve NCs. Benefiting from high transmittance (80% 500-800 nm range) outstanding performance, prepared CsPbBr3@ZnBr2(bIm+DMSO)2 (bIm benzimidazole, DMSO dimethyl sulfoxide) transparent luminescence exhibits X-ray imaging resolution up 25 lp/mm, outperforming many crystalline scintillators. This work would provide idea for development high-resolution screens that can be at low temperatures.

Language: Английский

Citations

0
High‐Performance Hybrid Organic‐Inorganic Lanthanide Halide Glass Scintillators Enabled by Dehydration for Efficient X‐Ray Imaging DOI
Chaohui Zhao, Yanze Wang,

Shuyi Bao

et al.

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

Published: April 1, 2025

Abstract Although glass scintillators hold great promise for high‐resolution X‐ray imaging, the practical application is often limited by thermodynamic instability, leading to uncontrolled glass‐to‐crystal transformations that degrade imaging resolution. Herein, a novel strategy presented synthesize (methyl(triphenyl)phosphonium) 3 EuCl 6 ((MTP) ) through dehydration of their crystalline precursors. The findings reveal process significantly enhances stability confining constituent ions within rigid, highly viscous matrix. This confinement effectively restricts ion mobility and prevents reorganization required crystal nucleation. Moreover, reduces trapping in situ generated charge carriers increases photoluminescence quantum yield, enhanced radioluminescence performance. resulting (MTP) demonstrate an detection limit as low 95.8 nGy air s⁻¹ achieve spatial resolution 14.3 lp mm −1 at dose rate 5 mGy s⁻¹. work provides valuable insights into designing integrate long‐term with optimized scintillation performance, offering significant potential advanced applications.

Language: Английский

Citations

0
Dynamic Magneto‐Optical Response and Reversible Humidity‐Sensitive Luminescence Tuned by Intermolecular Interactions in Manganese Halides DOI
Bo Zhou,

Manshi Li,

Meiqi Dai

et al.

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

Published: April 21, 2025

Abstract Dynamically luminescent systems have driven great progress in materials and chemistry communities due to their structural flexibility tunable photo functions. Eco‐friendly manganese (Mn)‐based hybrid halides are promising switches with high emission efficiency, low‐cost solution processibility, low toxicity. However, limited success is achieved tuning the dynamic luminescence of response multiple stimuli. Herein, an effective way manipulate (Mn‐2DMAP Mn‐4DMAP) through tailoring intermolecular interactions reported. Stronger Mn‐2DMAP induce distortion Mn─Cl bond lengths, resulting a weaker crystal field compared Mn‐4DMAP. The reduction crystal‐field strength leads blue‐shifted enhances sensitivity external magnetic field. Mn‐4DMAP uptakes water molecules form hydrated Mn‐4DMAP‐H 2 O which exhibits stronger interactions. Taking advantage exceptional crystallinity, 1D color‐tunable optical waveguide as photonic memory system under humidity heating dual‐stimuli developed. Therefore, this work not only represents first attempt tune at level, but also utilizes dynamical for application micro/nanoscale.

Language: Английский

Citations

0