High‐Resolution X‐Ray Imaging With 0D Organic–Metal Halide Scintillator Featuring Reversed Exciton Trapping DOI Open Access

Rui‐Xuan Qian,

Jian Lü,

Meng Cui

и другие.

Laser & Photonics Review, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 7, 2024

Abstract Scintillators, essential for applications in nuclear medicine, radiation detection, and industrial inspection, convert high‐energy into visible light. Manganese (Mn)‐based inorganic–organic hybrid materials are distinguished by their thermal stability, mechanical strength, flexibility. However, the effects of temperature on Mn(II)‐based scintillators have not been clearly analyzed, making elucidation temperature‐dependent luminescence mechanisms particularly important. A notable advancement is synthesis Mn‐ 1 nanocrystals (NCs) using methyltriphenylphosphonium chloride (mtppCl) MnCl₂. These NCs exhibit distinctive photoluminescence luminescence: intensity decreases from 77 to 150 K but paradoxically increases at higher temperatures due anomalous exciton behavior [MnCl₄] 2 ⁻ tetrahedra. Besides, achieve a detection limit 1.01 µGy air /s, surpassing medical diagnostic standards outperforming commercial such as Bi₄Ge₃O₁₂ (BGO). Additionally, they show exceptional stability under continuous irradiation can be incorporated flexible scintillating film with resolution 11.3 lp/mm an MTF 0.2. The current study has further refined mechanism optimizes properties wider range applications.

Язык: Английский

Efficient Multicolor Emission Zn‐Sb‐Mn Chloride Scintillators: Large‐Scale Production for Multi‐Level Anti‐Counterfeiting, Information Storage, and X‐Ray Imaging DOI Open Access
Tao Huang,

Tongzhou Li,

Wenchao Lin

и другие.

Advanced Optical Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 24, 2025

Abstract Achieving multiple efficient emissions from a single scintillator material is challenging. This work presents several Zn or Cd‐based halide materials with tetrahedral clusters, which show high‐efficiency, multicolor emission scintillating by co‐doping Sb 3 ⁺ and Mn 2 ⁺. In this 0D structure, can function as independent centers, producing green red bands, respectively, all photoluminescent quantum yields (PLQYs) exceeding 70% for green, yellow, emissions. Notably, Ph M‐Zn:Sb 3+ @Mn out of the above compounds exhibits PLQY values 90% three color Furthermore, it demonstrates exceptional scintillation performance under X‐ray illumination, achieving resolution 18 lp mm −1 detection limit 50.1 nGy air S⁻¹, surpassing most commercial scintillators. Additionally, cross‐ independent‐emission colors produced these varying excitations have been utilized to develop novel optical anti‐counterfeiting information storage applications high security. These advances demonstrate that significantly optimize host materials, multifunctional scintillators in variety technological applications.

Язык: Английский

Процитировано

0
Crystal structure of [(4-bromobenzyl)triphenylphosphonium] tetrabromoantimony(III), [C25H21BrP]+[SbBr4]− DOI Creative Commons
Xue Li,

Guangyao Wang

Zeitschrift für Kristallographie - New Crystal Structures, Год журнала: 2025, Номер unknown

Опубликована: Фев. 14, 2025

Abstract C 25 H 21 Br 5 PSb, monoclinic, P 2 1 / c (no. 14), a = 10.5893(1) Å, b 14.7743(2) 18.9737(3) β 102.279(1)°, V 2900.52(7) Å 3 , Z 4, R gt ( F ) 0.0481, w ref 0.1362, T 293(2) K.

Язык: Английский

Процитировано

0
In Situ Crystallization of Copper(I)‐Based Hybrid Halides Assisted by Carboxymethylcellulose Sodium for a Large‐Area Scintillation Imaging Screen DOI Open Access

Baoling Tang,

Jiance Jin, Kai Han

и другие.

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 23, 2025

Abstract Exploring new types of scintillators, especially fabricating large‐area scintillating screens, is essential in applications life science, industry, and material science. However, the thickness light scattering composite scintillator film present a major challenge for balancing spatial resolution radioluminescence intensity. Herein, an situ crystallization route developed to innovate preparation screens based on hybrid copper(I)‐based C 6 H 8 N 2 OCuX (X = I Br), which carboxymethylcellulose sodium (CMC‐Na) contribute “CMC‐Na membrane” formation further increase absorption cross‐section X‐ray radiation owing existence Na elements. The choice halogen can regulate photoluminescence I, Br, Cl) from cyan green then yellow, significant scintillation property be achieved OCuI with yield 52 000 photons MeV −1 detection limit 43.14 nGy s . Finally, high assisted by CMC‐Na, as well thin films help realize remarkable above 14 lp mm This study provides foundation discovering high‐performance halides scintillators offers creative think method imaging.

Язык: Английский

Процитировано

0
Advances of Low-Dimensional Organic-Inorganic Hybrid Metal Halide Luminescent Materials: A Review DOI Creative Commons
Suqin Wang, Hui Zhu,

Ming Sheng

и другие.

Crystals, Год журнала: 2025, Номер 15(4), С. 364 - 364

Опубликована: Апрель 16, 2025

Low-dimensional organic–inorganic hybrid metal halides (OIMHs) have garnered significant research attention due to their remarkable optical, electrical, and mechanical properties. These materials feature tunable optoelectronic characteristics, high photovoltaic efficiency, exceptional scalability processability ease of fabrication. By selecting appropriate organic inorganic components, it is possible achieve molecular-level dimensional control the halides. Here, this review provides an in-depth analysis structure synthesis methods OIMHs materials, explores optical properties, summarizes current applications in areas such as white-light LEDs, X-ray detectors, sensors, solar cells. Finally, we also discuss challenges faced by these offer a perspective on future development, aiming serve reference for advancing OIMHs.

Язык: Английский

Процитировано

0
Dual-Emissive Luminescence in OIHMH Single Crystals: Tunable Red-Green Emissions via Mn2+ Doping and Theoretical Insights DOI Creative Commons
Qianrong Jin, Rui Wu, Yuexiao Pan

и другие.

Chemical Science, Год журнала: 2024, Номер unknown

Опубликована: Янв. 1, 2024

This research elucidates the theoretical underpinnings of tunable luminescence in Mn 2+ -doped 0D hybrid perovskite C 6 H 14 N 2 CdBr 4 , paving way for advanced anti-counterfeiting materials with precise color regulation capabilities.

Язык: Английский

Процитировано

2
High‐Resolution X‐Ray Imaging With 0D Organic–Metal Halide Scintillator Featuring Reversed Exciton Trapping DOI Open Access

Rui‐Xuan Qian,

Jian Lü,

Meng Cui

и другие.

Laser & Photonics Review, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 7, 2024

Abstract Scintillators, essential for applications in nuclear medicine, radiation detection, and industrial inspection, convert high‐energy into visible light. Manganese (Mn)‐based inorganic–organic hybrid materials are distinguished by their thermal stability, mechanical strength, flexibility. However, the effects of temperature on Mn(II)‐based scintillators have not been clearly analyzed, making elucidation temperature‐dependent luminescence mechanisms particularly important. A notable advancement is synthesis Mn‐ 1 nanocrystals (NCs) using methyltriphenylphosphonium chloride (mtppCl) MnCl₂. These NCs exhibit distinctive photoluminescence luminescence: intensity decreases from 77 to 150 K but paradoxically increases at higher temperatures due anomalous exciton behavior [MnCl₄] 2 ⁻ tetrahedra. Besides, achieve a detection limit 1.01 µGy air /s, surpassing medical diagnostic standards outperforming commercial such as Bi₄Ge₃O₁₂ (BGO). Additionally, they show exceptional stability under continuous irradiation can be incorporated flexible scintillating film with resolution 11.3 lp/mm an MTF 0.2. The current study has further refined mechanism optimizes properties wider range applications.

Язык: Английский

Процитировано

2