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Study on the energy transfer between UO_2~(2 ) and Eu~(3 ) in sol-gel derived titania matrix by luminescence spectroscopy
引用本文:符连社,张洪杰,王淑彬,孟庆国,杨魁跃,倪嘉缵. Study on the energy transfer between UO_2~(2 ) and Eu~(3 ) in sol-gel derived titania matrix by luminescence spectroscopy[J]. 中国化学, 1999, 17(2): 132-136. DOI: 10.1002/cjoc.19990170206
作者姓名:符连社  张洪杰  王淑彬  孟庆国  杨魁跃  倪嘉缵
作者单位:Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China,Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China,Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China,Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China,Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China,Laboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China
基金项目:Project supported by the National Key for Fundamental Research, the National Natural Science Key Foundation of China (No. 29731010) and the Noble Youth Fund of Natural Science (No. 29225102)
摘    要:The TiO2 gel doped with UO22 and Eu3 has been prepared by a sol-gel method. The quenching of the UO22 emission by Eu3 and the energy transfer from the excited state of UO22 to the ground state of Eu3 have been investigated. The energy transfer has been studied by the measurement of luminescence lifetime τ, calculations of energy transfer efficiency ηET and energy transfer rate WET. The experimental results indicated that the quenching is combined static and dynamic mechanism, but the static mechanism is dominant.


Study on the energy transfer between UO_2~(2 ) and Eu~(3 ) in sol-gel derived titania matrix by luminescence spectroscopy
FU,Lian-She ZHANG,Hong-Jie WANG,Shu-BinMENG,Qing-Guo YANG,Kui-Yue NI,Jia-ZuanLaboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin ,China. Study on the energy transfer between UO_2~(2 ) and Eu~(3 ) in sol-gel derived titania matrix by luminescence spectroscopy[J]. Chinese Journal of Chemistry, 1999, 17(2): 132-136. DOI: 10.1002/cjoc.19990170206
Authors:FU  Lian-She ZHANG  Hong-Jie WANG  Shu-BinMENG  Qing-Guo YANG  Kui-Yue NI  Jia-ZuanLaboratory of Rare Earth Chemistry  Physics  Changchun Institute of Applied Chemistry  Chinese Academy of Sciences  Changchun  Jilin   China
Affiliation:FU,Lian-She ZHANG,Hong-Jie WANG,Shu-BinMENG,Qing-Guo YANG,Kui-Yue NI,Jia-ZuanLaboratory of Rare Earth Chemistry and Physics,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun,Jilin 130022,China
Abstract:The TiO2 gel doped with UO2+2 and Eu3+ has been prepared by a sol-gel method. The quenching of the UO2+2 emission by Eu3 + and the energy transfer from the excited state of UO2+2 to the ground state of Eu3+ have been investigated. The energy transfer has been studied by the measurement of luminescence lifetime τ, calculation of energy transfer efficiency WET and energy transfer rate ηET. The experimental results indicated that the quenching is combined static and dynamic mechanism, but the static mechanism is dominant.
Keywords:Sol-gel method   energy transfer   titania   uranyl ion   europium
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