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题名: Uranyl oxamate hydrates: hydrothermal synthesis, crystal structure, photophysical properties, and selective crystallization
作者: Shu, YB; Liu, WS(刘伟生)
收录类别: SCIE ; EI ; CSCD
出版日期: 2016-06
刊名: SCIENCE CHINA-CHEMISTRY
卷号: 59, 期号:6, 页码:740-745
期刊主办单位: 中国科学院
出版者: SCIENCE CHINA PRESS
出版地: BEIJING
英文摘要: Presented here are two isostructural uranyl coordination polymers [UO2(EDO)(H2O)]center dot H2O (1) and [UO2(BDO)(H2O)]center dot 2H(2)O (2) (EDO2-=ethylene-1,2-dioxamate; BDO2-=butylene-1,2-dioxamate) with identical stepwise zigzag chain structure and distinct interchain hydrogen bonding interaction, prepared from hydrothermal reaction of DEEDO or DEBDO (DEEDO=diethyl ethylene-1,2-dioxamate; DEBDO=diethyl butylene-1,2-dioxamate) with uranyl ions. The monomeric uranyl-based fluorescence emissions of compounds 1 and 2 are red-shifted by about 6 and 5 nmrespectively, compared to that of uranyl nitrate hexahydrate. Compound 1 has stronger emission than compound 2, but both their emissions exhibit triple-exponential decay. The photophysics of uranyl oxalate trihydrate was also investigated for comparison. The selective crystallization of compound 1 in alkaline solution was applied to the sequestration of uranyl ions, showing a kinetic preference.
关键词: uranium ; oxamate ; hydrothermal synthesis ; photophysics ; selective crystallization
作者部门: [Shu, Yubo ; Liu, Weisheng] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China ; [Shu, Yubo] Hechi Univ, Sch Chem & Biol Engn, Yizhou 546300, Peoples R China
通讯作者: Liu, WS (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: National Natural Science Foundation of China [21431002] ; Specialized Research Fund for the Doctoral Program of Higher Education [20110211130002]
所属项目名称: 国家自然科学基金项目 ; 高等学校博士学科点专项科研基金
项目资助者: NSFC ; MOE
语种: 英语
DOI: 10.1007/s11426-015-5550-3
ISSN号: 1674-7291
WOS记录号: WOS:000378101100015
CSCD记录号: CSCD:5719412
EI记录号: 20162102407818
IR记录号: WOS:000378101100015
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180468
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Shu, YB,Liu, WS. Uranyl oxamate hydrates: hydrothermal synthesis, crystal structure, photophysical properties, and selective crystallization[J]. SCIENCE CHINA-CHEMISTRY,2016,59(6):740-745.
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