Unlocking the Potential of Organic‐Inorganic Hybrid Manganese Halides for Advanced Optoelectronic Applications

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

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Mechanoluminescence from Organic–Inorganic Metal Halide Perovskite Derivative

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

Published: Jan. 14, 2025

Metal halide perovskites and their derivatives are gaining significant attention as photoluminescent materials due to exceptional light-emitting properties. However, most research has concentrated on electroluminescence photoluminescence, there remains a substantial gap in the exploration of mechanoluminescence (ML) properties perovskites, making this field largely uncharted. ML is an ancient intriguing luminescent phenomenon that occurs when material subjected mechanical forces. Here, discovery first organic-inorganic hybrid terbium (Tb3+)-based metal halide, type perovskite derivative, which exhibits notable reported. Through orthogonal design, critical roles played by molecular geometry metal-site ions achieving remarkable halides identified.

Language: Английский

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

Science China Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 17, 2025

Language: Английский

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

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

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Stepwise amplification of circularly polarized luminescence in indium-based metal halides by regulating their structural dimension

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Feb. 10, 2025

Language: Английский

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Chiral europium halides with high-performance magnetic field tunable red circularly polarized luminescence at room temperature

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 14, 2025

Chiral organic-inorganic hybrid metal halides as promising circularly polarized luminescence (CPL) emitter candidates hold great potential for high-definition displays and future spin-optoelectronics. The recent challenge lies primarily in developing high-performance red CPL emitters. Here, coupling the f-f transition characteristics of trivalent europium ions (Eu3+) with chirality, we construct chiral Eu-based halides, (R/S-3BrMBA)3EuCl6, which exhibit strong predictable emission large photoluminescence quantum yield (59.8%), narrow bandwidth (≈2 nm), long lifetime ms), together dissymmetry factor |glum| 1.84 × 10−2. Compared previously reported these show highest brightness. Furthermore, degree polarization (R/S-3BrMBA)3EuCl6 can be manipulated by external magnetic field. Particularly, benefiting from field-generated Zeeman splitting spin mixing at exciton states, an anomalously positive magneto-photoluminescence was observed room temperature. This work provides efficient strategy constructing both pure-red It also opens door rare-earth toward optoelectronic spintronic applications. perovskites are materials luminescence. Here authors present leading to magneto-chiroptical properties.

Language: Английский

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Chemical Composition Regulation for Tuning the Luminescent Properties of Organic–Inorganic Metal Halides

ChemPhotoChem, Journal Year: 2025, Volume and Issue: unknown

Published: May 4, 2025

Organic–inorganic metal halides (OIMHs) exhibiting superior optoelectronic properties have shown broad applications in sensing, photovoltaic devices, information storage, and biological imaging. Compared with pure inorganic or organic materials, OIMHs are distinguished by their hybrid feature, processability of components robustness units, as well plentiful luminescent sources derived from ligands, self‐trapped excitons (STEs) lattices, the energy transfer between species. Thereinto, chemical composition tunability component, ions, halogen provides multiple adjustable sites to tailor structures physicochemical properties. However, how realizing effective tunable luminescence for desired through rational regulation has become a challenge. In this review, starting structurally OIMHs, feasible methods regulating summarized, which include change components, dimensionality configurations species, heterometal systematic multisite fine‐tuning based on specific matrix. Finally, challenges synthesize promising performance discussed.

Language: Английский

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Embedding Te(IV) into a Robust Sn(IV)-Based Metal Halide for Deep-Red Emission

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Organic-inorganic hybrid Sn(IV)-based metal halides have received wide attention due to their excellent structural stability. However, realizing red-emitting with high stability and efficient photoluminescence (PL) efficiency remains challenging. Here, a stable organic-inorganic halide (C8H10O2N)2SnCl6 zero-dimensional (0D) structure has been obtained, which, however, displays poor PL properties the inert expression of Sn4+-4d10 electrons intrinsic indirect band gap feature. To address above challenges, Te4+ an active 5s2 lone pair is embedded into lattice (C8H10O2N)2SnCl6, as result, 5%Te4+-doped direct exhibits broadband deep-red emission (∼688 nm) (∼53%). Experimental calculated results reveal that embedding can effectively regulate facilitate transformation from structure, thereby leading radiative recombination. Benefiting merits, high-efficiency white light-emitting diode (WLED) fabricated using Te4+-doped ultrahigh color rendering index (CRI) up 94.5, suggesting great potential this material for solid-state lighting. This work provides significant insight design highly phosphors halides.

Language: Английский

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Synthesis and Chiroptical Properties of Chiral Lead Halide Molecular Clusters

The Journal of Physical Chemistry Letters, Journal Year: 2025, Volume and Issue: unknown, P. 2771 - 2777

Published: March 7, 2025

Chiral lead halide molecular clusters (MCs) consisting of PbBr2, neutral achiral butylamine (BTYA), and chiral methylbenzylamine [(R/S)-MBA] with unique optical properties in both the solution solid states have been synthesized using ligand-assisted reprecipitation depositing, separately. Ultraviolet–visible (UV–vis) electronic absorption photoluminescence (PL) spectra show first band sharp blue emission MCs that peaked at 404 412 nm, respectively, films. The asymmetry factor |glum| is 1.04 × 10–3 2.01 film state room temperature, indicating excellent circularly polarized luminescence (CPL) properties. This pronounced attributed to transfer from ligand BTYA-capped PbBr2 framework due MBA coordination Pb2+. samples exhibited ambient stability for over 1 month, primarily strong BTYA–PbBr2 coordination. maintained their structure CPL state, which important photonic applications.

Language: Английский

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Near-unity room-temperature phosphorescence quantum yield induced by halogen–halogen interaction in chiral hybrid copper(i) iodide clusters

Inorganic Chemistry Frontiers, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

In this study, two pairs of 0D chiral copper iodide clusters were synthesized. The structural rigidity is increased by halogen modulation to obtain a near unity PLQY. applications in white LED and X-ray imaging are extremely promising.

Language: Английский

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