Enhanced radiation hardness of a copper iodine cluster framework scintillator using a bridging macrocyclic ligand with aggregation-induced emission properties.

Li-Qiang Yue, Xiao-Man Xu, Meng-Han Fu, Yuan-Yuan Li, Ruo-Yu Cao, Qing-He Pan, You-Song Hu, Ruo-Yu Fang, Kai Li

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Article in Communications chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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9 authors.

Li-Qiang Yue *School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, China.

Xiao-Man Xu *Key Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

Meng-Han Fu *Key Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

Yuan-Yuan LiSchool of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, China. yuanyuanli@haut.edu.cn.

Ruo-Yu CaoKey Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

Qing-He PanKey Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

You-Song HuKey Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

Ruo-Yu FangKey Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China.

Kai LiKey Laboratory of Special Environmental Functional Materials (Zhengzhou University), Ministry of Education, Tianjian Laboratory of Advanced Biomedical Sciences, Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou, China. likai@zzu.edu.cn.ORCID http://orcid.org/0000-0001-9458-4796

Funding

National Natural Science Foundation of China (National Science Foundation of China) 22371264

6 · The paper itself

Abstract

As an emerging class of inorganic-organic hybrid scintillators, copper iodide clusters have garnered significant research interest owing to their numerous advantages, including structural diversity, high X-ray absorption capacity, superior X-ray excited luminescence (XEL) performance, and low toxicity. However, their practical applications are hindered by insufficient stability, particularly low radiation hardness. Constructing a framework material by connecting copper iodide clusters with bridging ligand has been demonstrated as an effective approach to enhance the stability, while improving the radiation hardness of the copper iodide cluster frameworks remains a challenge. In this study, a non-conjugated bridging macrocyclic AIE ligand was introduced to the copper iodide cluster framework scintillator. The obtained framework exhibits good X-ray excited luminescence and successfully used for high-performance X-ray imaging. The non-conjugated bridging structure of ligand endows the copper iodine cluster framework with excellent radiation hardness, providing a new strategy for the construction of high-performance scintillator.

Identifiers

PMID41981291

DOI10.1038/s42004-026-02017-3

PMCPMC13265766

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