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Lanthanide Coordination Polymers with Hexa-carboxylate Ligands Derived from Cyclotriphosphazene :Structures and Luminescent Properties  
Lanthanide Coordination Polymers with Hexa-carboxylate Ligands Derived from Cyclotriphosphazene :Structures and Luminescent Properties
資料類型: PDF文件
關(guān)鍵詞: Coordination  polymers  Lanthanide  ions  Luminescent  properties  
資料大?。?/td> 95K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強(qiáng)聚合物會議文集(2013.6.2-6 武漢)
簡介:
Solvothermalreactionsoftwoligandswithdifferentgeometry,derivedfromcyclotriphosphazene,hexakis(4-formylphenoxy)cyclotriphosphazene(H611)andhexakis(3-formylphenoxy)cyclotriphosphazene(H6L2)withEu(N03)3.6H20inH20/DMFundersimilarsynthesisconditionsproducedthreenewcompounds,namely,{[Eu2《11)(H20)4].(H20)4.(DMF)2}n(1),and{[Eu2(L1)6(H20)8].(H20)2.DMF}n(2)and{[Eu2(L2)6(H20)3(DMF)].(H20)2.(DMF)}n(3).CompoundsIand2displaya2Dlayercrystalstructurewithdistincttopologicalnetworkincorporatingtheextendedhexa-carboxylateligandLl;Incontrast,3hasaIDcrystalstructurewiththehighlydistortedhexa-carboxylateliagndL2.Inthesethreecompounds,theligandsLlandL2arefullydeprotonated,whosesixextendedcarboxylarmsconnectsixdifferent/samemetallicnodestoformthehighdimensionalframeworks.Arelativedetailedluminescencestudyshowedthatthesehexa-carboxylatelinkersarenotreallyaverygoodsensitizeroflanthanideluminescencecl,2].Inaddition,IR,TGAandXRDcharacterizationsofthreecomplexeswerealsocarriedout.
作者: F. Yu ,S. J. Cai, H. P. Wang, S. Q. Hu,J. Y. Liu
上傳時間: 2013-07-04 13:56:28
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