Suppressed ion migration for high-performance X-ray detectors based on atmosphere-controlled EFG-grown perovskite CsPbBr3 single crystals

Nature Photonics, Journal Year: 2024, Volume and Issue: unknown

Published: July 29, 2024

Language: Английский

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Perovskite materials in X-ray detection and imaging: recent progress, challenges, and future prospects

RSC Advances, Journal Year: 2024, Volume and Issue: 14(10), P. 6656 - 6698

Published: Jan. 1, 2024

Perovskite-based X-ray detection and imaging have reached new milestones due to rapid advancements in evolution of materials, cost-effective fabrication techniques, architectural modifications device design.

Language: Английский

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Highly Stable and Sensitive (PEA)₂PbBr₄/CsPbBr₃ Single‐Crystal Heterojunction X‐Ray Detector with Ultra‐Low Detection Limit

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(34)

Published: April 18, 2024

Abstract Metal halide perovskite (MHP) single crystals have shown great potential for high‐performance X‐ray detection due to their excellent carrier transport properties, tunable optical bandgap, and low‐temperature fabrication process. However, 3D suffer from severe ion migration, limiting the stability sensitivity of detectors. Herein, a lowing temperature crystallization (LTC) method liquid‐phase epitaxial growth 2D (PEA) 2 PbBr 4 single‐crystal (SC) film on CsPbBr 3 substrate is demonstratedand 2D/3D /CsPbBr SC heterojunction successfully constructed. The layer shows pronounced passivation effect with low trap density 2.27 × 10 cm −3 . As such, prepared detector achieves record‐low detectable dose rate 3.05 nGy air s −1 high 34496 µC Gy −2 in 120 keV hard detection, largely suppressed dark current drift 2.49 −4 nA V In addition, exhibits self‐driven 44 its built‐in electric field. This work provides simple strategy controllable construct MHP optoelectronic characteristic, which conducive promoting development detectors other devices.

Language: Английский

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Lead-free single crystal metal halide perovskite detectors

Materials Science and Engineering R Reports, Journal Year: 2025, Volume and Issue: 164, P. 100991 - 100991

Published: April 9, 2025

Language: Английский

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Halide perovskite x-ray detectors: Fundamentals, progress, and outlook

Applied Physics Reviews, Journal Year: 2024, Volume and Issue: 11(2)

Published: June 1, 2024

Halide perovskites have demonstrated great potential in x-ray detectors, due to their high attenuation coefficient, large bulk resistance, ultralong carrier diffusion length, and adjustable bandgap. Moreover, abundant raw materials simple processing combined with excellent compatibility integrated circuits make them ideal for cost-efficient high-efficiency real-world imaging applications. Herein, we comprehensively reviewed advances progress detection devices based on halide perovskites. We expound the fundamental mechanisms of interactions between x rays matter as background indicate different parameters types which guides basic requirements how select design suitable active layers. After emphasizing superb properties through shortcomings commercial materials, evaluate latest advancements ongoing dimensions structures both direct indirect discuss effect dimensional varieties device performance. also highlight current challenges area perovskite detectors propose corresponding solutions optimize next-generation

Language: Английский

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Real Sensitivity of Spin-Coated Lead Halide Perovskite Lateral X-ray Detectors

ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 17, 2025

Language: Английский

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Development of high-performance ultrafast photodetector using CsPbBr3 perovskite single crystal

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 374, P. 115451 - 115451

Published: May 15, 2024

Language: Английский

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