Transparent glassy composites incorporating lead-free anti-perovskite halide nanocrystals enable tunable emission and ultrastable X-ray imaging

IF 20.6 1区物理与天体物理 Q1 OPTICS

Advanced Photonics Pub Date : 2023-07-01 DOI:10.1117/1.AP.5.4.046002

Yakun Le, Xiongjian Huang, Hao Zhang, Zhihao Zhou, Dandan Yang, Bozhao Yin, Xiaofeng Liu, Z. Xia, Jianrong Qiu, Zhongmin Yang, G. Dong

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引用次数: 0

Abstract

Abstract. Lead halide perovskite materials exhibit excellent scintillation performance, which, however, suffer from serious stability and toxicity problems. In contrast, the heavy metal-free anti-perovskite materials [ MX4 ] XA3 (A = alkali metal; M = transition metal; X = Cl, Br, I), a class of electron-inverted perovskite derivatives, exhibit robust structural and photophysical stability. Here, we design and prepare a lead-free [ MnBr4 ] BrCs3 anti-perovskite nanocrystal (NC)-embedded glass for efficient X-ray-excited luminescence with high-resolution X-ray imaging with a spatial resolution of 19.1 lp mm − 1. Due to the unique crystal structure and the protection of the glass matrix, the Cs3MnBr5 NC-embedded glass exhibits excellent X-ray irradiation stability, thermal stability, and water resistance. These merits enable the demonstration of real-time and durable X-ray radiography based on the developed glassy composite. This work could stimulate the research and development of novel metal halide anti-perovskite materials and open a new path for future development in the field of high-resolution and ultrastable X-ray imaging.

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透明玻璃复合材料包含无铅反钙钛矿卤化物纳米晶体，可调谐发射和超稳定x射线成像

摘要卤化铅钙钛矿材料表现出优异的闪烁性能，但存在严重的稳定性和毒性问题。相比之下，不含重金属的反钙钛矿材料 [ MX4 ] XA3（A=碱金属；M=过渡金属；X=Cl，Br，I）是一类电子倒置的钙钛矿衍生物，表现出强大的结构和光物理稳定性。在这里，我们设计并准备了一个无铅 [ MnBr4 ] BrCs3反钙钛矿纳米晶体（NC）嵌入玻璃用于高效的X射线激发发光，具有19.1空间分辨率的高分辨率X射线成像 lp 毫米 − 1.由于独特的晶体结构和玻璃基体的保护，Cs3MnBr5 NC嵌入玻璃表现出优异的X射线辐照稳定性、热稳定性和耐水性。这些优点使基于开发的玻璃复合材料的实时和耐用的X射线照相术得以演示。这项工作可以促进新型金属卤化物抗钙钛矿材料的研发，并为未来在高分辨率和超稳定X射线成像领域的发展开辟新的道路。

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来源期刊

Advanced Photonics OPTICS-

CiteScore

22.70

自引率

1.20%

发文量

审稿时长

18 weeks

期刊介绍： Advanced Photonics is a highly selective, open-access, international journal that publishes innovative research in all areas of optics and photonics, including fundamental and applied research. The journal publishes top-quality original papers, letters, and review articles, reflecting significant advances and breakthroughs in theoretical and experimental research and novel applications with considerable potential. The journal seeks high-quality, high-impact articles across the entire spectrum of optics, photonics, and related fields with specific emphasis on the following acceptance criteria: -New concepts in terms of fundamental research with great impact and significance -State-of-the-art technologies in terms of novel methods for important applications -Reviews of recent major advances and discoveries and state-of-the-art benchmarking. The journal also publishes news and commentaries highlighting scientific and technological discoveries, breakthroughs, and achievements in optics, photonics, and related fields.