Advances of Low-Dimensional Organic-Inorganic Hybrid Metal Halide Luminescent Materials: A Review

Crystals, Journal Year: 2025, Volume and Issue: 15(4), P. 364 - 364

Published: April 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.

Language: Английский

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Recent Advances in Metal Halide Perovskites for CO₂ Photocatalytic Reduction: An Overview and Future Prospects

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 30, 2024

Abstract The photocatalytic reduction of CO 2 into valuable chemicals and fuels has become a significant research focus in recent years due to its environmental sustainability energy efficiency. Metal halide perovskites (MHPs), renowned for their remarkable optoelectronic properties tunable structures, are regarded as promising photocatalysts. Yet, practical uses constrained by inherent instability, severe electron–hole recombination, scarcity active sites, prompting substantial efforts optimize MHP‐based This review summarizes the latest advancements photocatalysis. First fundamental principles photocatalysis outlined structural optical characteristics MHPs evaluated. Then key strategies enhancing MHP photocatalysts, including morphology surface modification, encapsulation, metal cation doping, heterojunction engineering, molecular immobilization highlighted. Finally, considering progress needs industrial application, challenges future prospects explored. aims support researchers development more efficient stable

Language: Английский

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Visible‐Light Photodetection by Zero‐Dimensional Hybrid Indium‐Halide with Minimal Structural Distortion and Reduced Band Gap

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 64(1)

Published: Aug. 20, 2024

Perovskite-inspired zero-dimensional (0D) hybrid halides exhibit impressive light emission properties; however, their potential in photovoltaics is hindered by the absence of interconnection between inorganic polyhedra, leading to acute radiative recombination and insufficient charge separation. We demonstrate that incorporating closely-spaced dissimilar polyhedral units with minimal structural distortion leads a remarkable enhancement visible-light photodetection capability. designed 0D C

Language: Английский

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Visible‐Light Photodetection by Zero‐Dimensional Hybrid Indium‐Halide with Minimal Structural Distortion and Reduced Band Gap

Angewandte Chemie, Journal Year: 2024, Volume and Issue: 137(1)

Published: Aug. 20, 2024

Abstract Perovskite‐inspired zero‐dimensional (0D) hybrid halides exhibit impressive light emission properties; however, their potential in photovoltaics is hindered by the absence of interconnection between inorganic polyhedra, leading to acute radiative recombination and insufficient charge separation. We demonstrate that incorporating closely‐spaced dissimilar polyhedral units with minimal structural distortion leads a remarkable enhancement visible‐light photodetection capability. designed 0D C 24 H 72 N 8 In 2 Br 14 (HIB) tetragonal crystal system, replacing Cs + InBr 5 .H O (CIB) 1,6‐hexanediammonium (HDA) cation. HIB comprises [InBr 6 ] 3− octahedra, 4 − tetrahedra spaced 3.9 Å apart HDA linker. The unit additionally linked via intercalated bromine through hydrogen halogen bonding interactions, respectively. This arrangement lowers dielectric confinement, thereby enhancing carrier density mobility, increasing diffusion coefficient compared CIB. With 3.6 % vacancy within block, mid‐gap states are created, reducing direct band gap 2.19 eV. demonstrates an unprecedently high responsivity 9975.9±201.6 mA W −1 under 3 V bias at 485 nm wavelength, among low‐dimensional halides. bias, self‐powered parameters 81.2±3.0 (6.98±0.21)×10 9 Jones.

Language: Английский

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High‐Performing Direct X‐Ray Detection Made of One‐Dimensional Perovskite‐Like (TMHD)SbBr₅ Single Crystal With Anisotropic Response

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 19, 2024

Abstract 3D and 2D organic hybrid perovskites, as well double have demonstrated their suitability for direct X‐ray detection. However, the sensitivity stability of perovskite detectors are currently being hindered by existing constraints on ion movement. Therefore, there is an immediate need to develop that both highly sensitive stable while also environmentally friendly. The novel low‐dimensional perovskites demonstrate exceptional inherent effectively mitigate migration, thereby showcasing remarkable photoelectric performance. Inspired this, a solution crystallization method employed synthesize single crystals (SCs) one dimensional (1D) (TMHD)SbBr 5 . dimensions chained SC 13 × 1.3 1.2 mm 3 in size. device based chain exhibits unique anisotropic detection performance with 62.8 30.5 µC Gy air −1 cm −2 parallel perpendicular orientations, respectively. It can lead directional movement ions, resulting large carrier mobility under action electric fields, increase

Language: Английский

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