Emergence of a thorium–organic framework as a radiation attenuator for selective X-ray dosimetry

Zhaofa Zheng; Huangjie Lu; Xiaofeng Guo; Zhengyang Zhou; Yumin Wang; Zi-Jian Li; Guo-Ping Xiao; Yuan Qian; Jian Lin; Jian-Qiang Wang

doi:10.1039/D1CC02649F

Emergence of a thorium–organic framework as a radiation attenuator for selective X-ray dosimetry†

Zhaofa Zheng,‡^ab Huangjie Lu,

‡^ab Xiaofeng Guo,

^c Zhengyang Zhou,^d Yumin Wang,^e Zi-Jian Li,

^ab Guo-Ping Xiao,^ab Yuan Qian,^ab Jian Lin

*^ab and Jian-Qiang Wang

*^abf

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* Corresponding authors

^a Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai 201800, China
E-mail: wangjianqiang@sinap.ac.cn, linjian@sinap.ac.cn

^b University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Shijingshan, Beijing, China

^c Department of Chemistry and Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Pullman, WA 99164-4630, USA

^d Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, P. R. China

^e State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X) and Collaborative Innovation Centre of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China

^f Dalian National Laboratory for Clean Energy, Dalian 116023, China

Abstract

By first applying a thorium–organic framework (Th-SINAP-2) as a radiation attenuator and by incorporating a terpyridine derivative (Htpbz) as a photo-responsive guest, selective photochromism in response to X-rays was achieved in the host–guest assembly of Htpbz@Th-SINAP-2. Such a combination endows the afforded material with the lowest detection limit of X-ray dose among all photochromic sensors and a brand-new function of X-ray dosimetry for thorium containing materials.

Chemical Communications

Emergence of a thorium–organic framework as a radiation attenuator for selective X-ray dosimetry†

Abstract

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Emergence of a thorium–organic framework as a radiation attenuator for selective X-ray dosimetry

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