TY - JOUR
T1 - Organic phosphors with bright triplet excitons for efficient X-ray-excited luminescence
AU - Wang, Xiao
AU - Shi, Huifang
AU - Ma, Huili
AU - Ye, Wenpeng
AU - Song, Lulu
AU - Zan, Jie
AU - Yao, Xiaokang
AU - Ou, Xiangyu
AU - Yang, Guohui
AU - Zhao, Zhu
AU - Singh, Manjeet
AU - Lin, Chongyang
AU - Wang, He
AU - Jia, Wenyong
AU - Wang, Qian
AU - Zhi, Jiahuan
AU - Dong, Chaomin
AU - Jiang, Xueyan
AU - Tang, Yongan
AU - Xie, Xiaoji
AU - Yang, Yang (Michael)
AU - Wang, Jianpu
AU - Chen, Qiushui
AU - Wang, Yu
AU - Yang, Huanghao
AU - Zhang, Guoqing
AU - An, Zhongfu
AU - Liu, Xiaogang
AU - Huang, Wei
N1 - KAUST Repository Item: Exported on 2021-04-13
Acknowledged KAUST grant number(s): OSR-2018-CRG7-3736
Acknowledgements: This work is supported by the National Key R&D Program of China (grant no. 2020YFA0709900), the National Natural Science Foundation of China (grant nos. 21975120, 21875104, 91833304, 21973043, 51673095 and 61935017), the Joint Research Funds of Department of Science and Technology of Shaanxi Province and Northwestern Polytechnical University (grant no. 2020GXLH-Z-006), Natural Science Fund for Distinguished Young Scholars of Jiangsu Province (grant no. BK20180037), China National Postdoctoral Program for Innovative Talents (grant no. BX20200278), Projects of International Cooperation and Exchanges NSFC (grant no. 51811530018), the Fundamental Research Funds for the Central Universities, Agency for Science, Technology and Research (A*STAR) under its AME program (grant nos. A1883c0011 and A1983c0038), and the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under award no. OSR-2018-CRG7-3736.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.
PY - 2021/1/11
Y1 - 2021/1/11
N2 - Materials that exhibit X-ray-excited luminescence have great potential in radiation detection, security inspection, biomedical applications and X-ray astronomy1,2,3,4,5. However, high-performance materials are almost exclusively limited to ceramic scintillators, which are typically prepared under high temperatures6. Herein we report metal-free organic phosphors based on a molecular design that supports efficient triplet exciton harvesting to enhance radioluminescence. These organic scintillators exhibit a detection limit of 33 nGy s–1, which is 167 times lower than the standard dosage for X-ray medical examination and we demonstrate their potential application in X-ray radiography. These findings provide a fundamental design principle and new route for the creation of promising alternatives to incumbent inorganic scintillators. Furthermore, they offer new opportunities for development of flexible, stretchable X-ray detectors and imagers for non-destructive radiography testing and medical imaging.
AB - Materials that exhibit X-ray-excited luminescence have great potential in radiation detection, security inspection, biomedical applications and X-ray astronomy1,2,3,4,5. However, high-performance materials are almost exclusively limited to ceramic scintillators, which are typically prepared under high temperatures6. Herein we report metal-free organic phosphors based on a molecular design that supports efficient triplet exciton harvesting to enhance radioluminescence. These organic scintillators exhibit a detection limit of 33 nGy s–1, which is 167 times lower than the standard dosage for X-ray medical examination and we demonstrate their potential application in X-ray radiography. These findings provide a fundamental design principle and new route for the creation of promising alternatives to incumbent inorganic scintillators. Furthermore, they offer new opportunities for development of flexible, stretchable X-ray detectors and imagers for non-destructive radiography testing and medical imaging.
UR - http://hdl.handle.net/10754/666936
UR - http://www.nature.com/articles/s41566-020-00744-0
U2 - 10.1038/s41566-020-00744-0
DO - 10.1038/s41566-020-00744-0
M3 - Article
SN - 1749-4885
JO - Nature Photonics
JF - Nature Photonics
ER -