Customizable Scintillator of Cs3Cu2I5:2% In+@Paper for Large‐Area X‐Ray Imaging DOI Creative Commons
Weiqing Chen,

Ting Wang,

Tianchi Wang

et al.

Advanced Science, Journal Year: 2023, Volume and Issue: 10(34)

Published: Oct. 23, 2023

High-resolution X-ray imaging is increasingly required for medical diagnosis and large-area detection. However, the issues of scattering optical crosstalk are limiting spatial resolution indirect imaging. In this study, a feasible efficient strategy proposed to in situ synthesize flexible Cs3 Cu2 I5 :2%In+ @paper as superior scintillator film, which can be scaled up an ultra-large area 4800 cm2 . The as-obtained performs fascinating photoluminescence quantum efficiency 88.14%, steady state light yield 70169 photons/MeV, 15 lp mm-1 Moreover, suppressed physical corresponding film demonstrated. Accordingly, work explores fabrication customizable scintillation films with large high-resolution

Language: Английский

A Melt‐Quenched Luminescent Glass of an Organic–Inorganic Manganese Halide as a Large‐Area Scintillator for Radiation Detection DOI
Jianbin Luo,

Jun‐Hua Wei,

Zhizhong Zhang

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 62(7)

Published: Dec. 12, 2022

Glass is a group of materials with appealing qualities, including simplicity in fabrication, durability, and high transparency, they play crucial role the optics field. In this paper, new organic-inorganic metal halide luminescent glass exhibiting >78 % transmittance at 506-800 nm range together photoluminescence quantum yield (PLQY) 28.5 reported through low-temperature melt-quenching approach pre-synthesized (HTPP)2 MnBr4 (HTPP=hexyltriphenylphosphonium) single crystal. Temperature-dependent X-ray diffraction, polarizing microscopy, molecular dynamics simulations were combined to investigate glass-crystal interconversion process, revealing disordered nature glassy state. Benefiting from transparent nature, yields an outstanding spatial resolution 10 lp mm-1 for imaging. The superb optical properties facility large-scale fabrication distinguish as highly promising class devices.

Language: Английский

Citations

99
Recent Advances and Opportunities of Eco‐Friendly Ternary Copper Halides: A New Superstar in Optoelectronic Applications DOI
Zhuangzhuang Ma,

Xinzhen Ji,

Shuailing Lin

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(44)

Published: Feb. 28, 2023

Abstract Recently, the newly‐emerging lead‐free metal‐halide materials with less toxicity and superior optoelectronic properties have received wide attention as safer potentially more robust alternatives to lead‐based perovskite counterparts. Among them, ternary copper halides (TCHs) become a vital group due their unique features, including abundant structural diversity, ease of synthesis, unprecedented properties, high abundance, low cost. Although recent efforts in this field made certain progresses, some scientific technological issues still remain unresolved. Herein, comprehensive up‐to‐date overview progress on fundamental characteristics TCH versatile applications is presented, which contains topics such as: i) crystal electronic structure features synthesis strategies; ii) mechanisms self‐trapped excitons, luminescence regulation, environmental stability; iii) burgeoning devices phosphor‐converted white light‐emitting diodes (WLEDs), electroluminescent LEDs, anti‐counterfeiting, X‐ray scintillators, photodetectors, sensors, memristors. Finally, current challenges together future perspectives development are also critically described, considered be critical for accelerating commercialization these rapidly evolving technologies.

Language: Английский

Citations

76
Glassy inorganic-organic hybrid materials for photonic applications DOI
Bo Zhou, Dongpeng Yan

Matter, Journal Year: 2024, Volume and Issue: 7(6), P. 1950 - 1976

Published: April 26, 2024

Language: Английский

Citations

50
Designing LiTaO3:Ln3+,Eu3+ (Ln = Tb or Pr) perovskite dosimeter with excellent charge carrier storage capacity and stability for anti-counterfeiting and flexible X-ray imaging DOI
Tianshuai Lyu, P. Dorenbos, Zhanhua Wei

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 461, P. 141685 - 141685

Published: Feb. 2, 2023

Language: Английский

Citations

46
Organic Cation Design of Manganese Halide Hybrids Glass toward Low‐Temperature Integrated Efficient, Scaling, and Reproducible X‐Ray Detector DOI
Youkui Xu, Zhenhua Li, Guoqiang Peng

et al.

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 11(13)

Published: April 5, 2023

Abstract Zero‐dimensional (0D) structure‐based manganese metal halides (MHs) are believed to be the most promising candidates for next‐generation X‐ray scintillators due their intense radioluminescence and environmental friendliness. However, low‐temperature (<180 °C), large‐area integration with more efficient detection remains a tremendous challenge. Herein, from perspective of cation (ionic liquids) structure design, basic physical parameters 0D MHs regulated. And calculations experimental results demonstrate larger‐size cations that induce lower melting temperatures, larger exciton‐binding energies, ion migration energy, tunable hardness, which desirable MHscintillators. As result, champion materialHTP 2 MnBr 4 is achieved as glassy transparency wafer by (165 °C) melt‐quenching. Its application imaging features high spatial resolution (17.28 lp mm −1 ), scalability (>30 × 30 cm strong coupling force. Furthermore, HTP glass reproducible properties demonstrates light yield (38 000 photon MeV excellent irradiation stability, low limit (0.13 µGy s ). The authors believe this work will provide guidance MHscintillators further commercial applications.

Language: Английский

Citations

45
Ultrasound‐Assisted Crystallization Enables Large‐Area Perovskite Quasi‐Monocrystalline Film for High‐Sensitive X‐ray Detection and Imaging DOI

Wenguang Li,

Xu‐Dong Wang, Yuhua Huang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(31)

Published: May 5, 2023

In recent years, halide perovskites have shown great application potential in X-ray detection due to their superior optoelectronic properties and high attenuation coefficient. However, large-area perovskite fabrication for performance detectors remains extremely challenging. Herein, ultrasound-assisted crystallization combined with the hot-pressing method is proposed prepare (10 cm × 10 cm) high-quality quasi-monocrystalline thick film of a mixed-cation MA0.42 FA0.58 PbI3 . The rapid provides more homogeneous nucleation, which essential uniform microcrystalline film. Furthermore, post treatment implemented fuse crystal boundaries, rearrange grains, eliminate voids between crystals, resulting After treatment, carrier mobility mobility-lifetime product increased about 13-fold (from 1.8 23.5 cm2 s-1 V-1 ) 18 times 8.4 10-6 1.5 10-4 ), respectively. As result, high-performance detector achieved an impressively sensitivity (1.16 106 µC Gyair-1 cm-2 low limit (37.4 nGyair demonstrating strategy from industrial perspective.

Language: Английский

Citations

42
Capillary Manganese Halide Needle‐Like Array Scintillator with Isolated Light Crosstalk for Micro‐X‐Ray Imaging DOI Creative Commons
Wenyi Shao, Tengyue He, Lijie Wang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(21)

Published: Feb. 10, 2024

Abstract The exacerbation of inherent light scattering with increasing scintillator thickness poses a major challenge for balancing the thickness‐dependent spatial resolution and scintillation brightness in X‐ray imaging scintillators. Herein, thick pixelated needle‐like array capable micrometer is fabricated via waveguide structure engineering. Specifically, this involves integrating straightforward low‐temperature melting process manganese halide an aluminum‐clad capillary template. In structure, oriented photons propagate along well‐aligned are confined within individual pixels by aluminum reflective cladding, as substantiated from comprehensive analysis including laser diffraction experiments. Consequently, thanks to isolated light‐crosstalk channels robust output due increased thickness, ultrahigh resolutions 60.8 51.7 lp mm −1 at modulation transfer function (MTF) 0.2 achieved on 0.5 even 1 scintillators, respectively, which both exceed pore diameter arrays’ template ( Φ = 10 µm). As far it known, these among highest reported metal scintillators never demonstrated such Here avenue presented demand high‐resolution across diverse scientific practical fields.

Language: Английский

Citations

21
Manganese‐Halide Single‐Crystal Scintillator Toward High‐Performance X‐Ray Detection and Imaging: Influences of Halogen and Thickness DOI

Zi‐Lin He,

Jun‐Hua Wei,

Zhizhong Zhang

et al.

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 11(18)

Published: May 7, 2023

Abstract Scintillators, which can convert high‐energy ionizing radiation (e.g., X‐ or γ ‐rays) into ultraviolet‐visible light, have been widely applied in medical and industrial fields. Developing new scintillation materials with high performance low cost is very desirable order to address the growing application demands. Among them, single‐crystal scintillators of organic‐inorganic hybrid metal halides (OIMHs) attracted much attention because their excellent optical transparency, suppressed light scattering, facile solution preparation methods. Herein, three centimeter‐sized (2‐DMAP) 2 MnX 4 (2‐DMAP + = 2‐dimethylaminopyridinium, X Cl, Br, I) single crystals crystal quality are synthesized via solvent evaporation method. Benefiting from transparency remarkable luminescence property, MnBr delivers a X‐ray yield 22 000 photons MeV −1 , limit detection 9.50 nGy s an imaging spatial resolution 20–25 lp mm . Moreover, regulation thickness 0.31 3.03 be easily achieved simple post‐treatment method, has significant influence on transmittance, resolution, limit. This work demonstrates promising scintillator for high‐resolution tunable thickness.

Language: Английский

Citations

32
Light Management of Metal Halide Scintillators for High‐Resolution X‐Ray Imaging DOI Open Access
Xiuwen Xu, Yue‐Min Xie,

Huaiyao Shi

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(3)

Published: Nov. 27, 2023

The ever-growing need to inspect matter with hyperfine structures requires a revolution in current scintillation detectors, and the innovation of scintillators is revived luminescent metal halides entering scene. Notably, for any scintillator, two fundamental issues arise: Which kind material suitable what form should exist? answer former question involves sequence certain atoms into specific crystal that facilitate conversion X-ray light, whereas latter assembling these crystallites particular forms can guide light propagation toward its corresponding pixel detector. Despite their equal importance, efforts are overwhelmingly devoted improving X-ray-to-light conversion, while material-form-associated propagation, which determines optical signal collected imaging, largely overlooked. This perspective critically correlates reported spatial resolution light-propagation behavior each halides, combing designing rules future development.

Language: Английский

Citations

32
Stable Organic Antimony Halides with Near‐Unity Photoluminescence Quantum Yield for X‐Ray Imaging DOI
Haixing Meng, Bing Chen, Wenjuan Zhu

et al.

Laser & Photonics Review, Journal Year: 2023, Volume and Issue: 17(7)

Published: Feb. 19, 2023

Abstract X‐ray imaging technology has been widely used in the fields of environmental monitoring, safety inspection, nondestructive examination, space exploration, and medical diagnosis, among which scintillation materials play a vital role indirectly converting to visible photons. Here, zero‐dimensional organic–inorganic hybrid halide C 50 H 44 P 2 SbCl 5 crystal is prepared via facile antisolvent precipitation method at room temperature. The single displays strong yellow broadband emission centered 592 nm with near‐unity photoluminescence quantum yield 98.42%. Importantly, crystals show great stability irradiation stability. Radioluminescence characterization indicates that exhibit good linear response dose rates along an excellent light 460 photons MeV −1 , surpassing commercial inorganic LuAG:Ce scintillator. spatial resolution ‐based scintillating screen determined be 8.2 lp mm . In conjunction polymer thin film, feature halides offers exciting opportunities for achieving high‐quality flexible imaging.

Language: Английский

Citations

29