Journal
NATURE COMMUNICATIONS
Volume 13, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-022-31554-3
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Funding
- National Key R&D Program of China [2020YFA0709900]
- Department of Science and Technology of Shaanxi Province [2020GXLH-Z-006]
- Northwestern Polytechnical University [2020GXLH-Z-006]
- National Natural Science Foundation of China [62134007, 21875104, 21975120]
- Fundamental Research Funds for the Central Universities
- Innovation Foundation for Doctor Dissertation of Northwestern Polytechnical University [CX2021119]
- Guangdong Basic and Applied Basic Research Foundation [2021A1515110367]
- Natural Science Foundation of Shaanxi Province, China [2022JQ-581]
- Natural Science Foundation of Ningbo, China [2021J054]
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The authors achieved X-ray-excited organic phosphorescent scintillation from copolymers through copolymerization of bromine-substituted chromophores and acrylic acid and demonstrated their potential application in X-ray radiography.
Scintillators that exhibit X-ray-excited luminescence have great potential in radiation detection, X-ray imaging, radiotherapy, and non-destructive testing. However, most reported scintillators are limited to inorganic or organic crystal materials, which have some obstacles in repeatability and processability. Here we present a facile strategy to achieve the X-ray-excited organic phosphorescent scintillation from amorphous copolymers through the copolymerization of the bromine-substituted chromophores and acrylic acid. These polymeric scintillators exhibit efficient X-ray responsibility and decent phosphorescent quantum yield up to 51.4% under ambient conditions. The universality of the design principle was further confirmed by a series of copolymers with multi-color radioluminescence ranging from green to orange-red. Moreover, we demonstrated their potential application in X-ray radiography. This finding not only outlines a feasible principle to develop X-ray responsive phosphorescent polymers, but also expands the potential applications of polymer materials with phosphorescence features. The authors achieved the X-ray-excited organic phosphorescent scintillation from copolymers through copolymerization of bromine-substituted chromophores and acrylic acid and demonstrated their potential application in X-ray radiography.
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