基于环保型半导体零维有机溴化锌杂化物的直接 X 射线探测器

IF 19.3 1区材料科学 Q1 CHEMISTRY, PHYSICAL

ACS Energy Letters Pub Date : 2024-11-01 DOI:10.1021/acsenergylett.4c02662

Oluwadara J. Olasupo, Thanh-Hai Le, Tunde B. Shonde, He Liu, Alexander Bouchard, Sara Bouchard, Thilina N. D. D. Gamaralalage, Abiodun M. Adewolu, Tarannuma F. Manny, Xinsong Lin, Yan-Yan Hu, Wanyi Nie, Biwu Ma

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引用次数: 0

摘要

将 X 射线转换为电荷的直接 X 射线探测器在医学和安检领域有着广泛的应用。用于直接 X 射线探测器的硅和硒等普通半导体在性能、多功能性和成本效益方面存在局限性。在正在研究的新材料中，金属卤化物过氧化物晶石在 X 射线探测器方面具有巨大潜力；然而，它们受到低稳定性和毒性的限制。在此，我们首次报道了一种用于高效 X 射线探测器的稳定且环保的零维（0D）有机金属卤化物杂化物 (OMHH)--(TPA-P)2ZnBr4。通过分子敏化（金属卤化物（ZnBr42-）作为 X 射线吸收体，有机半导体成分（TPA-P+，4-(4-(二苯基氨基)苯基)-1-丙基吡啶-1-鎓）作为电荷传输体），0D (TPA-P)2ZnBr4 探测器在 20 V 电压下的灵敏度高达 2,292 μC Gyair-1 cm-2，探测极限低至 37.5 nGyair s-1。0D (TPA-P)2ZnBr4的超强稳定性促进了非常稳定的X射线直接探测，并显示了合理设计的0D OMHHs作为新一代辐射探测材料的巨大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Direct X-ray Detectors Based on an Eco-Friendly Semiconducting Zero-Dimensional Organic Zinc Bromide Hybrid

查看原文本刊更多论文

Direct X-ray Detectors Based on an Eco-Friendly Semiconducting Zero-Dimensional Organic Zinc Bromide Hybrid

Direct X-ray detectors that convert X-rays to electrical charges have broad applications in medicine and security screening. Common semiconductors like silicon and selenium for direct X-ray detectors have limitations in performance, versatility, and cost-effectiveness. Among new materials under investigation, metal halide perovskites demonstrate great potential for X-ray detectors; however, they are limited by low stability and toxicity. Here, we report, for the first time, a stable and eco-friendly zero-dimensional (0D) organic metal halide hybrid (OMHH), (TPA-P)₂ZnBr₄, for efficient X-ray detectors. With molecular sensitization, wherein metal halides (ZnBr₄^2–) act as X-ray absorbers and organic semiconducting components (TPA-P⁺, 4-(4-(diphenylamino)phenyl)-1-propylpyridin-1-ium) as charge transporters, 0D (TPA-P)₂ZnBr₄ detectors exhibit an impressive sensitivity of 2,292 μC Gy_air^–1 cm^–2 at 20 V and a low detection limit of 37.5 nGy_air s^–1. The exceptional stability of 0D (TPA-P)₂ZnBr₄ facilitates remarkably stable direct X-ray detection and shows the tremendous potential of rationally designed 0D OMHHs as new-generation radiation detection materials.

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来源期刊

ACS Energy Letters Energy-Renewable Energy, Sustainability and the Environment

CiteScore

31.20

自引率

5.00%

发文量

469

审稿时长

1 months

期刊介绍： ACS Energy Letters is a monthly journal that publishes papers reporting new scientific advances in energy research. The journal focuses on topics that are of interest to scientists working in the fundamental and applied sciences. Rapid publication is a central criterion for acceptance, and the journal is known for its quick publication times, with an average of 4-6 weeks from submission to web publication in As Soon As Publishable format. ACS Energy Letters is ranked as the number one journal in the Web of Science Electrochemistry category. It also ranks within the top 10 journals for Physical Chemistry, Energy & Fuels, and Nanoscience & Nanotechnology. The journal offers several types of articles, including Letters, Energy Express, Perspectives, Reviews, Editorials, Viewpoints and Energy Focus. Additionally, authors have the option to submit videos that summarize or support the information presented in a Perspective or Review article, which can be highlighted on the journal's website. ACS Energy Letters is abstracted and indexed in Chemical Abstracts Service/SciFinder, EBSCO-summon, PubMed, Web of Science, Scopus and Portico.