A uranyl-based luminescent dosimeter for ultralow-dose tracking of UV and X-ray radiation

Herein, we report a novel uranyl-based organic-inorganic hybrid dosimeter, designated as U-OX-PIP . Remarkably, U-OX-PIP exhibits UV/X-ray-induced fluorescence quenching responses, which are characterized by a gradual suppression of the uranyl emission signature. The pronounced fluorescence quenchin...

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Published inChemical communications (Cambridge, England) Vol. 61; no. 51; pp. 9322 - 9325
Main Authors Gu, Qinyan, Lei, Ji, Deng, Wenjie, Zhang, Heyao, Zhang, Zhi-Hui, Lu, Huangjie, Hu, Baowei, Xie, Jian
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 19.06.2025
Subjects
Dosimeters
Fluorescence
Quenching
Radiation effects
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Summary:Herein, we report a novel uranyl-based organic-inorganic hybrid dosimeter, designated as U-OX-PIP . Remarkably, U-OX-PIP exhibits UV/X-ray-induced fluorescence quenching responses, which are characterized by a gradual suppression of the uranyl emission signature. The pronounced fluorescence quenching behavior of U-OX-PIP enables its application as a highly sensitive radiation-responsive material. Furthermore, the identification of radiation-induced C-O&z.rad; radical species establishes U-OX-PIP as an ultrasensitive quenching-type dosimetric material. A uranyl-based dosimeter exhibits ultralow-dose sensitivity and visual fluorescence quenching, enabling offline detection of UV and X-ray radiation via a radical-mediated mechanism.
Bibliography:2445213
Electronic supplementary information (ESI) available: Synthesis, characterizations, PXRD, FTIR, PL, TG, SEM-EDS, and EPR spectra. CCDC
2445212
https://doi.org/10.1039/d5cc02216a
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d5cc02216a