A uranyl based coordination polymer showing response to low-dosage ionizing radiations down to 10^(−5) Gy  

作　　者：Jian Xie Yaxing Wang Wei Liu Chengyu Liang Yugang Zhang Lanhua Chen Daopeng Sheng Zhifang Chai Shuao Wang 

机构地区：[1]School for Radiological and Interdisciplinary Sciences(RAD-X)and Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions,Soochow University,Suzhou 215123,China [2]School of Environment and Material Engineering,Yantai University,Yantai 264005,China

出　　处：《Science China Chemistry》2020年第11期1608-1612,共5页中国科学（化学英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(21825601,21790374);Young Taishan Scholars Program(tsqn201909082).A portion of this work was performed on the Steady High Magnetic Field Facilities,High Magnetic Field Laboratory,CAS.

摘　　要：Radiation detection material is a central component of nuclear technology finding applications in many critical fields.Developing a highly radiation-sensitive material that shows a facilely detectable response to ultra-low dosage of radiation is a long-term research target and remains to be a challenge.Previously reported most optimal chemical radiation dosimeter can detect low-dosage X-andγ-ray radiations down to 10^(−4) Gy.We document here a new photoresponsive coordination polymer showing upgraded radiation detection capabilities with the detection limit on the radiation dose one order of magnitude lower than the previous record.The radiation induced photoluminescence quenching process was elucidated by multiple spectroscopic characterizations.

关 键 词：URANIUM photoluniinescence radiation detection DOSIMETER 

分 类 号：O641.4[理学—物理化学] TL81[理学—化学]