首页|Europium-bearing organic framework with excellent X-ray scintillating luminescence
Europium-bearing organic framework with excellent X-ray scintillating luminescence
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Two europium-bearing organic frameworks,termed as EuTPO-1 and EuTPO-2(H3TPO=tris(4-carboxylphenyl)-phosphineoxide),are reported in this work.A series of characterizations of EuTPO-1 and EuTPO-2,such as X-ray crystallography and photoluminescence spectroscopy,was performed to expatiate their structure and physicochemical properties.Both of them are constructed by dimers of the europium-oxygen subunit of[Eu2O16]and TPO molecule.Benefiting from high X-ray stopping attenua-tion and excellent luminescence efficiency,they emit sufficient luminescence when irradiated with X-rays.Meanwhile,they possess stable light outputs when exposed to high humidities and strong radiation dose,outperforming the commercial scintillator CsI:Tl.This result paves the way for developing new scintillator and enriches the compound of europium-bearing organic framework with X-ray scintillating luminescence.
Yugang Zhang、Lanhua Chen、Xia Wang、Wei Liu、Shu'ao Wang
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State Key Laboratory of Radiation Medicine and Protection,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
School of Environmental and Materials Engineering,Yantai University,Yantai,264005,China
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