DataVXAdvanced Optical MaterialsPaper
journal article·2024-10

Extrinsic Self‐Trapped‐Exciton Emission in Cs5Cu3Cl6I2 for Efficient X‐Ray Scintillation

Yang Nan, Chengcheng Wang, Guangbin Zhang, Zhiyuan Kuang, Wenbo Liu, Mingmin Zhou, Xiuying Zhang, Shuheng Dai, Peng Ran, Xinqi Xu, Qiushui Chen, Yang (Michael) Yang, Lin Zhu, Qiming Peng, Nana Wang, Jianpu Wang

Advanced Optical Materials· Volume 12· Issue 29
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Source abstract

Abstract

Abstract Efficient and stable scintillators play a crucial role in X‐ray detection applications. To enhance the luminescence efficiency under X‐ray excitation, the incorporation of multiple emission centers into scintillators is widely explored. Here, it is found that the cesium copper halide Cs5Cu3Cl6I2 exhibits dual emission centers, enabling high‐performance scintillators with an X‐ray light yield of 49000 photon MeV−1 and a low detection limit of 4 nGy s−1. The emissions of Cs5Cu3Cl6I2 are from intrinsic self‐trapped exciton (STE) and Frenkel defect‐assisted STE. High‐energy X‐rays can induce an increased fraction of Frenkel defect‐assisted STEs, which can serve as an effective scintillation channel. Furthermore, large‐area flexible scintillators with a high resolution of 18 lp mm−1 are developed, making them suitable for X‐ray imaging applications. These findings offer promising insights for developing more efficient scintillators.
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Research context

OpenAlex topics: Perovskite Materials and Applications · Organic and Molecular Conductors Research · Solid-state spectroscopy and crystallography

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Flexible Electronics (KLOFE) Institute of Advanced Materials (IAM) & School of Flexible Electronics (Future Technologies) Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China

MOE Key Laboratory for Analytical Science of Food Safety and Biology and State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry Fuzhou University Fuzhou 350108 China

State Key Laboratory of Modern Optical Instrumentation Institute for Advanced Photonics College of Optical Science and Engineering Zhejiang University Hangzhou 310027 China

School of Materials Science and Engineering & School of Microelectronics and Control Engineering Changzhou University Changzhou 213164 China

Funding

National Key Research and Development Program of China · Wuhan University of Technology · National Natural Science Foundation of China

References (32)

Show source-provided references
1. 10.1126/science.118838510.1126/science.1188385 ↗
2. 10.1038/s41586-018-0451-110.1038/s41586-018-0451-1 ↗
3. 10.1038/s41563-021-01132-x10.1038/s41563-021-01132-x ↗
4. 10.1038/s41586-021-03251-610.1038/s41586-021-03251-6 ↗
5. 10.1109/23.68243310.1109/23.682433 ↗
6. 10.1063/1.166218310.1063/1.1662183 ↗
7. 10.1063/1.132877510.1063/1.1328775 ↗
8. 10.1016/j.orgel.2013.06.02010.1016/j.orgel.2013.06.020 ↗
9. 10.1016/S0022-2313(02)00423-410.1016/S0022-2313(02)00423-4 ↗
10. 10.1002/adom.20210245310.1002/adom.202102453 ↗
11. 10.1002/adom.20210046010.1002/adom.202100460 ↗
12. 10.1002/adom.20220030410.1002/adom.202200304 ↗
13. 10.1126/sciadv.adh178910.1126/sciadv.adh1789 ↗
14. 10.1021/acsami.3c0204110.1021/acsami.3c02041 ↗
15. 10.1002/adma.20200294510.1002/adma.202002945 ↗
16. 10.1063/5.014682510.1063/5.0146825 ↗
17. 10.1002/smll.20220666810.1002/smll.202206668 ↗
18. 10.1038/s41377-020-00353-010.1038/s41377-020-00353-0 ↗
19. 10.1002/lpor.20210030910.1002/lpor.202100309 ↗
20. 10.1021/jacs.1c0753710.1021/jacs.1c07537 ↗
21. 10.1021/ja507086b10.1021/ja507086b ↗
22. 10.1103/PhysRevB.45.898910.1103/PhysRevB.45.8989 ↗
23. 10.1021/acs.jpcc.1c0905610.1021/acs.jpcc.1c09056 ↗
24. 10.1002/ange.20221778410.1002/ange.202217784 ↗
25. 10.1002/advs.20200372810.1002/advs.202003728 ↗
26. Lushchik C. H. B. · 1986 · 473
27. 10.1021/ac00259a06010.1021/ac00259a060 ↗
28. M. J.Berger J. H.Hubbell S. M.Seltzer J.Chang J. S.Coursey R.Sukumar D. S.Zucker K.Olsen https://www.nist.gov/pml/xcom‐photon‐cross‐sections‐database.
29. 10.1103/PhysRevB.50.1795310.1103/PhysRevB.50.17953 ↗
30. 10.1103/PhysRevLett.77.386510.1103/PhysRevLett.77.3865 ↗
31. 10.1016/j.cpc.2005.07.01110.1016/j.cpc.2005.07.011 ↗
32. 10.1103/PhysRevB.46.667110.1103/PhysRevB.46.6671 ↗