Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic–inorganic hybrid metal halide crystals

Science China Materials, Год журнала: 2025, Номер unknown

Опубликована: Фев. 17, 2025

Язык: Английский

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Rational Design of Photofunctional Ionic Manganese(II) Bromide Materials Through Isomer Engineering for High-Performance X-Ray Imaging

Journal of Inorganic and Organometallic Polymers and Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 4, 2025

Язык: Английский

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Tuning phase transition and fluorescence quenching in 0D organic–inorganic hybrid materials by precise organic cation modification

Dalton Transactions, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Three novel organic–inorganic hybrids exhibit increased phase transition temperatures and distinct temperature-dependent fluorescence quenching by progressive organic group substitution.

Язык: Английский

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Defect Engineering for Enhanced Charge Carrier Storage in Zirconium Stannum Halide Perovskites: Advancements in Low‐Temperature Data Storage and X‐Ray Imaging

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 3, 2025

Abstract Optimizing charge carrier storage in trap‐controlled halide perovskites poses a significant challenge, particularly due to the varying electronic properties and trap dynamics across temperature range from ≈100 400 K. This dependence affects both efficiency of generation their retention. In this study, substantial advancements performance zirconium stannum are reported through targeted defect engineering. By modulating composition Cs 2 Sn 1‐x Zr x Cl 6 incorporating dopants Cr 3+ , Ga Bi Te 4+ remarkable enhancements X‐ray triggered capacity realized. Notably, ZrCl doped with or exhibits three fold increase 100 300 K, significantly outperforming state‐of‐the‐art BaFBr(I):Eu 2+ red afterglow Y O S:Eu phosphor. The :yTe demonstrates over 40 times greater wide K achieves low detection limit 99.16 nGy for dosimetry applications. Furthermore, :0.03Te exceptional persistent luminescence lasting 14 h at 180 295 research underscores high‐performance capabilities engineered perovskites, paving way application advanced technologies temperatures.

Язык: Английский

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Excitation‐Wavelength‐Induced Dual‐Band Fluorescence of Copper Halides for Multi‐Mode Encryption and Anti‐Counterfeiting Applications

Advanced Optical Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 4, 2025

Abstract Low‐dimensional metal halides have emerged as promising anti‐counterfeiting materials. However, achieving a multi‐mode and multi‐color system in remains challenging. In this study, copper‐halide (TBP) 2 Cu 4 Br 6 (TBP + = C 16 H 36 P ) single crystals are synthesized using cooling crystallization method, which exhibits efficient dual‐band emissions (542 708 nm), large Stokes shifts (282 330 high photoluminescence quantum yield (PLQY) of 92.7% for 542 nm. These exceptional properties attributed to the unique 0D structure crystals, facilitates formation two different self‐trapped excitons (STEs). Furthermore, based on , digital integrated is designed with Morse code information encryption, demonstrating applications security anti‐counterfeiting. This work not only illustrates an emitter copper but also paves way systems.

Язык: Английский

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Luminescent Manganese(II) Iminophosphorane Derivatives

Molecules, Год журнала: 2025, Номер 30(6), С. 1319 - 1319

Опубликована: Март 14, 2025

The reaction between the iminophosphorane ligand N-phenyl-1,1,1-triphenylphosphanimine (NPh=PPh3) and anhydrous manganese(II) halides allowed isolation of complexes with general formula [MnX2(NPh=PPh3)2] (X = Cl, Br, I). compounds showed luminescence in green region attributed to 4T1(4G)→6A1(6S) transition metal centre tetrahedral field, which was superimposed cases X Cl Br on weak ligand-centred fluorescence. emission excitation spectra were compared those free related zinc(II) bromo-complex. DFT calculations bromo-complex helped rationalise experimental data. protonation NPh=PPh3 led formation iminium cation [NHPh=PPh3]+, used as a building block for synthesis organic–inorganic hybrids [NHPh=PPh3]2[MnX4] crystal structure [NHPh=PPh3]2[MnBr4] determined by means X-ray diffraction. Green photoluminescence associated metal-centred also observed hybrids, higher quantum yields respect neutral complexes. In case I, from that tetraiodomanganate anion upon compound near–UV light.

Язык: Английский

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Zn-Doped Organic–Inorganic Hybrid Mn(II) Halides with Ultra-High PLQY and Stability for Eco-Friendly Display Backlights

ACS Sustainable Chemistry & Engineering, Год журнала: 2025, Номер unknown

Опубликована: Март 14, 2025

Язык: Английский

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Dicyclohexyl(phenyl)phosphine Oxide-Based Neutral Manganese(II) Bromide Scintillator for X-ray Imaging

ACS Applied Optical Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 2, 2025

Язык: Английский

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Highly Efficient Near‐Infrared Luminescence in Bi³⁺‐Yb³⁺ Co‐Doped CsMnCl₃ Perovskite Single Crystals for Versatile Photonic Applications

Advanced Optical Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 2, 2025

Abstract Lanthanide ion (Ln 3+ )‐doped lead‐free perovskites with near‐infrared (NIR) luminescence have promising application prospects in environmentally friendly photonic devices. It remains a challenge to enhance the photoluminescence quantum yield (PLQY) of Ln ‐doped due their poor light absorption and low energy transfer efficiency. Herein, highly efficient NIR emission is achieved through co‐doping Yb Bi CsMnCl 3 perovskites. Theoretical experimental results demonstrated that attributed additional intense absorptions at 330 nm local symmetry breaking lattice upon ions, which optimize process between ‐Mn 2+ ‐Yb . The PLQY optimized : /Yb emitter reaches 59.8% under UV excitation, highest reported value among Furthermore, benefiting from Mn visible region, can also be excited using low‐energy sources, providing general strategy unlock excitable emitters. Based on its excellent luminescent properties, perovskite has versatile fields such as latent fingerprint detection, night vision, biological imaging.

Язык: Английский

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Melt‐Processing Enabled Flexible Metal Halide‐Nylon Luminescent Films with Enhanced Optical Transmission for Curved X‐Ray Imaging

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 21, 2025

Abstract Organic–inorganic hybrid metal halides are emerging as a class of functional materials that combine attractive photophysical properties with great processability. Their modular chemical structures allow for melt processing through crystal‐melt transitions. Herein, the study reports synthesis (Bzmim) 2 MnX 4 (Bzmim = 1‐benzyl‐3‐methylimidazolium, X Cl, Br, I) single crystals low melting temperatures ranging from 130 to 160 °C. Among them, MnBr exhibits superior luminescence performance photoluminescence quantum yield 78.6% and light 34 900 photons MeV −1 , making it act promising scintillator. Interestingly, leveraging fluidity porous structure nylon film, transparent crystalline ‐Nylon composite film is fabricated by melt‐infiltration process. Compared has an increased transmittance ≈20% >60%. It can be attributed uniform crystallization in pores which suppresses severe crosstalk caused large refractive index difference at nylon‐air interface. The melt‐processable spatial resolution 16 line pairs per millimeter practical X‐ray imaging, well applications curved imaging due its flexibility.

Язык: Английский

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