Near-infrared emission, energy transfer, and mechanisms of Mn2+ and Cr3+ Co-doped lead-free Cs2AgInCl6 double perovskites

Chen, Daiwen; Wu, Cu; Li, Huayuan; Zhou, Liya; Chen, Peican; Pang, Qi; Zhang, Xinguo; Zhang, Jin Zhong

doi:10.1039/d3tc02410e

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc02410e

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Near-infrared emission, energy transfer, and mechanisms of Mn²⁺ and Cr³⁺ Co-doped lead-free Cs₂AgInCl₆ double perovskites

Daiwen Chen,

Cu Wu,

Huayuan Li

et al.

Abstract: Doping metal ions into lead halide perovskites is a promising method to regulating their structural stability and optical properties. In this work, Mn2+/Cr3+ codoped Cs2AgInCl6 double perovskite single crystals (DPSCs)...

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2024

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Cited by 5 publications

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Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Jiang,

Du,

et al. 2024

Advanced Optical Materials

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Recently, all‐inorganic halide double perovskites (DPs) with a chemical formula of Cs2BIBIIIX6 have been emerging as a shinning star to be used in modern optoelectronic devices, due to their unique advantages such as environmentally friendly, high absorption coefficient, low trap densities, tunable bandgap, variable constituent elements and valences states through BI or BIII sites engineering. In this review, first, the impact of BI and BIII cation doping on the electronic structure and optical properties of Cs2BIBIIIX6 DPs are systematically overviewed, which cover several key issues including the interconversion between direct and indirect band gaps, the enhancement of light absorption, promotion of exciton localization, elucidation of energy transfer mechanisms, regulation of defect density and improvement in both stability and luminescence efficiency. Subsequently, state‐of‐the‐art research activities regarding their interesting optoelectronic device applications are systematically discussed, such as light‐emitting diodes, anticounterfeiting encryption, X‐ray scintillators, and optical thermometry. Finally, the existing difficulties, prospects, and research directions in this field are proposed.

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Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Jiang,

Du,

et al. 2024

Advanced Optical Materials

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Near‐infrared emitting metal halide materials: Luminescence design and applications

Liu,

Dang,

Zhang

et al. 2024

InfoMat

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Near‐infrared (NIR) luminescent metal halide (LMH) materials have attracted great attention in various optoelectronic applications due to their low‐temperature solution‐processable synthesis, abundant crystallographic/electronic structures, and unique optoelectronic properties. However, some challenges still remain in their luminescence design, performance improvement, and application assignments. This review systematically summarizes the development of NIR LMHs through classifying NIR luminescent origins into four major categories: band‐edge emission, self‐trapped exciton (STE) emission, ion emission, and defect‐related emission. The luminescence mechanisms of different types of NIR LMHs are discussed in detail by analyzing typical examples. Reasonable strategies for designing and optimizing luminescence/optoelectronic properties of NIR LMHs are summarized, including bandgap engineering, self‐trapping state engineering, chemical composition modification, energy transfer, and other auxiliary strategies such as improvement of synthesis scheme and post‐processing. Furthermore, application prospects based on the optoelectronic devices are revealed, including phosphor‐converted light‐emitting diodes (LEDs), electroluminescent LEDs, photodetectors, solar cells, and x‐ray scintillators, as well as demonstrations of some related practical applications. Finally, the existing challenges and future perspectives on the development of NIR LMH materials are critically proposed. This review aims to provide general understanding and guidance for the design of high‐performance NIR LMHs materials.image

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Optimizing Cs2AgXCl6 (X=Bi, In) double perovskites for light-harvesting devices

Eddekkar,

El-Ouaddi,

Labrag

et al. 2024

Materials Today Communications

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Near-infrared emission, energy transfer, and mechanisms of Mn²⁺ and Cr³⁺ Co-doped lead-free Cs₂AgInCl₆ double perovskites

Abstract: Doping metal ions into lead halide perovskites is a promising method to regulating their structural stability and optical properties. In this work, Mn2+/Cr3+ codoped Cs2AgInCl6 double perovskite single crystals (DPSCs)...

Cited by 5 publications

References 65 publications

Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Near‐infrared emitting metal halide materials: Luminescence design and applications

Optimizing Cs2AgXCl6 (X=Bi, In) double perovskites for light-harvesting devices

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Near-infrared emission, energy transfer, and mechanisms of Mn2+ and Cr3+ Co-doped lead-free Cs2AgInCl6 double perovskites

Abstract: Doping metal ions into lead halide perovskites is a promising method to regulating their structural stability and optical properties. In this work, Mn2+/Cr3+ codoped Cs2AgInCl6 double perovskite single crystals (DPSCs)...

Cited by 5 publications

References 65 publications

Cation‐Doped Cs2BIBIIIX6 Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Cation‐Doped Cs2BIBIIIX6 Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Near‐infrared emitting metal halide materials: Luminescence design and applications

Optimizing Cs2AgXCl6 (X=Bi, In) double perovskites for light-harvesting devices

Contact Info

Product

Resources

About

Near-infrared emission, energy transfer, and mechanisms of Mn²⁺ and Cr³⁺ Co-doped lead-free Cs₂AgInCl₆ double perovskites

Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications

Cation‐Doped Cs₂B^IB^IIIX₆ Double Perovskites: Electronic Structures, Optical Properties, and Optoelectronic Applications