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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Thermal and Vapor Induced Triple‐Mode Luminescent Switch of Manganese (II) Halides Hybrid

Advanced Optical Materials, Journal Year: 2024, Volume and Issue: 12(14)

Published: Jan. 15, 2024

Abstract It is imminent to develop phosphors with multiple stimuli responses due the increasing demand on anti‐counterfeiting and information encryption technologies. Here, a zero dimensional (0D) organic–inorganic hybrid (DPPE) 2 MnBr 4 ·H O (DPPE = 4,4‐Difluoropiperidine, 1 ), which emits green light exhibits reversible thermo‐ vapor‐luminescence heat organic solvents reported. Specifically, when heated above 100 °C for 30 s, transforms into yellow‐emitting . Upon exposure dichloromethane (DCM), it red‐emitting 3 Experimental analysis reveals that Mn 2+ ‐Mn magnetic coupling interactions coordination configuration transformation are responsible obvious switching of photoluminescence. Owing its extraordinary triple‐mode characteristics, enabling luminescence‐adjustable transformations such as yellow, red, yellow red emission, this metal‐halide promising application in encryption.

Language: Английский

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Temperature-dependent self-trapped exciton emission in Cu(I) doped zinc-based metal halides from well-resolved excited state structures

Nano Research, Journal Year: 2024, Volume and Issue: 17(8), P. 7768 - 7775

Published: May 2, 2024

Language: Английский

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Ultra-Broad-Band-Excitable Cu-Based Halide (C₄H₁₀N)₄Cu₄I₈ with High Stability for LED Applications

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(6), P. 3173 - 3180

Published: Feb. 1, 2024

Currently, organic–inorganic hybrid cuprous-based halides are receiving substantial attention for their eco-friendliness, distinctive structures, and outstanding photophysical properties. Nevertheless, most of the reported demand deep ultraviolet excitation with a narrow range that can meet commercial requirement. Herein, zero-dimensional (0D) halide (C4H10N)4Cu4I8 single crystals (SCs) were synthesized, an ultrabroad band ranging 260–450 nm greenish-yellow emission peaking at 560 nm. Excitingly, also features large Stokes shift 300 nm, high photoluminescence quantum yield (PLQY) up to 84.66%, long lifetime 137 μs. Furthermore, density functional theory calculations performed explore relationship between structure properties, performance originates from electron interactions in [Cu2I4]2– clusters. Taking advantage broad excellent photoluminescent performances, luminescence characteristic UV-pumped light-emitting diode (LED) device remarkable color stability was fabricated by employing as-synthesized SCs, which present promising applications low-dimensional solid-state lighting.

Language: Английский

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A zero-dimensional perovskite with high-efficiency luminescence and transient response for advanced information encryption

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153939 - 153939

Published: July 11, 2024

Language: Английский

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Ionothermal synthesis of a hybrid cuprous(I) iodide scintillator with efficient cyan emission and high antiwater stability

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159971 - 159971

Published: Jan. 1, 2025

Language: Английский

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Zero‐Dimensional Organic–Inorganic Hybrid Zinc Halides for Multiple Applications in Anti‐Counterfeiting, X‐Ray Imaging and White LEDs

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 12(7)

Published: Nov. 7, 2023

Abstract Zinc halides have been less explored even though they are a promising lead‐free family with the merits of environmental friendliness and low cost. Here, organic–inorganic hybrid zinc screened aromatic molecules containing amino groups (MXDA: m‐Xylylenediamine, ABI: 2‐Aminobenzimidazole, pipda: 2‐piperidylmethylamine, p‐MPEA: p‐Methylphenethylamine), six new compounds discovered: (MXDA)ZnCl 4 ( 1 ), (ABI) 2 ZnCl (pipda) H OZnCl 3 [(pipda) Zn Br ]·H O (p‐MPEA) 5 ZnBr 6 ). The discovered exhibit diverse efficient light emissions (blue, green, yellow, ultraviolet) under ultraviolet irradiation. By doping Sb Mn at site, exhibits different colors excitation wavelengths, so it is successfully used for anti‐counterfeiting. (MXDA)Zn 0.91 0.09 Cl also found to be an X‐ray scintillator imaging. Among as‐explored phases, maximum photoluminescent quantum yield 82.60% realized, enabling utilization white light‐emitting diodes. results suggest that superior optoelectronic properties, which can multiple applications.

Language: Английский

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Manganese (II) Halides for X‐Ray Imaging and Moisture Detection

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: 9(8)

Published: Feb. 20, 2024

Abstract Organic–inorganic hybrid metal halides are widely used in X‐ray detection and imaging due to their high absorption efficiency, ease of synthesis, efficient luminescence. However, the issue lead toxicity remains a concern. In this study, non‐toxic, 0D 2,2′‐(Ethylenedioxy)bis(ethylamine) manganese (II) bromide (EDBEMnBr 4 ) is synthesized using simple mechanical grinding method solution that exhibits intense green emission at ≈525 nm. Moreover, change structure under influence temperature water significantly affects its fluorescence color UV light. Scintillator materials with without moisture exposure showed spatial resolutions 7 lp mm −1 , low limits 4.62 5.25 µGy air s respectively, meeting medical industry standards (<5.5 ). Furthermore, based on apparent luminescence triggered by for EDBEMnBr preliminary attempt made apply it humidity monitoring showing boundary has good linear dependence time. This work provides new opportunities Mn‐based both as well detection.

Language: Английский

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Electron Spin Decoherence Dynamics in Magnetic Manganese Hybrid Organic–Inorganic Crystals: The Effect of Lattice Dimensionality

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(33), P. 18549 - 18559

Published: Aug. 14, 2023

Organic-inorganic metal hybrids with their tailorable lattice dimensionality and intrinsic spin-splitting properties are interesting material platforms for spintronic applications. While the spin decoherence process is extensively studied in lead- tin-based hybrids, these systems generally show short lifetimes, correlation framework still not well-understood. Herein, we synthesized magnetic manganese hybrid single crystals of (4-fluorobenzylamine)2MnCl4, ((R)-3-fluoropyrrolidinium)MnCl3, (pyrrolidinium)2MnCl4, which represent a change from 2D 1D to 0D, processes using continuous-wave electron resonance spectroscopy. All exhibit nanosecond-scale time τ2 dominated by symmetry-directed exchange interaction strengths Mn2+-Mn2+ pairs, much longer than hybrids. In contrast similar temperature variation laws 0D structures, first increase gradually drop afterward, structure presents monotonous rise temperatures, indicating strong rigidity inorganic framework. This also rationalized on basis that governed competitive contributions motional narrowing (prolonging τ2) electron-phonon coupling (shortening τ2), both thermally activated, difference former more pronounced rigid crystalline lattices.

Language: Английский

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Methanol‐Induced Crystallization of Chiral Hybrid Manganese (II) Chloride Single Crystals for Achieving Circularly Polarized Luminescence and Second Harmonic Generation

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 12(2)

Published: Aug. 17, 2023

Abstract Chiral hybrid Mn (II)‐based halides have attracted great interest in the optoelectronic field due to their low cost, non‐toxicity, abundant structural diversity, and excellent photoluminescence, chiroptical, nonlinear optical characteristics. Here, chiral hybrids (R/S‐MBA)MnCl 3 ·CH OH (MBA = C 6 H 5 CH(CH )NH + ) (R/S‐NPA)Cl·H 2 O (R, S‐NPA)Cl (NPA 10 7 single crystals are successfully obtained using methanol (CH OH) as an induced‐crystallization reagent by slow evaporation method. Interestingly, with obvious circular dichroism (CD) characteristics exhibit strong red emission originating from d‐d transition of 2+ cation, while (R/S‐NPA) Cl·H blue organic NPA group. Based on space group P 1 (no.4), show circularly polarized luminescence (CPL) a relatively high dissymmetry factor ( g lum value, which is equivalent that reported metal halides. Also, second harmonic generation (SHG) response. This work not only deepens understanding role methanol‐induced crystallization improving quality growth habits halide crystals, but also provides guidance for further design, crystal growth, applications multi‐functional materials.

Language: Английский

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