Eu(TTA)_3/MCM-41介孔复合体的溶胶凝胶法组装Encapsulation of Eu(TTA)_3 into MCM-41 Mesoporous Molecular Sieve by Sol-Gel Method
姚云峰,张迈生,石建新,龚孟廉,张洪杰,杨燕生
摘要(Abstract)：
利用溶胶 凝胶法将稀土配合物Eu(TTA) 3 组装到MCM 41介孔分子筛的孔道中 ,并初步认定客体分子Eu(TTA) 3 是以加合物形式包裹于表面活性剂胶束中。该法制得的介孔复合体Eu(TTA) 3/MCM 41,用XRD、HRTEM技术证实具有短程有序的、规整的六方介孔结构和大小分布均匀的纳米晶粒。对其光致发光和荧光寿命的研究发现 :与乙醇溶液中相比 ,Eu3 +的荧光寿命没有发生改变 ,但Stokes位移却明显增大 ;复合体中 ,能量是从主体MCM 41传递到客体Eu(TTA) 3 上。
关键词(KeyWords)： 稀土;铕;Eu(TTA)_3/MCM-41介孔复合体;溶胶凝胶法
基金项目(Foundation): 中山大学科研基金!(32 0 0 90 1);; 中国科学院长春应用化学研究所稀土化学与物理开放实验室自然科学基金资助
作者(Author): 姚云峰,张迈生,石建新,龚孟廉,张洪杰,杨燕生
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参考文献(References)：
- [1] LUANZhao hua ,XUJie ,KEVANL . Manganese bipyridinecomplexincorporatedintomesoporousMCM 41molecularsieves[J] .Chem .Mater .,1998,10 :36 99-370 6 .
- [2 ] WUC G ,BEINT . Conductingpolyanilinefilamentsinameso porouschannelhost [J] .Science ,1994,2 6 4(17) :175 7-175 8.
- [3] ZHOUW ,THOMASJM ,SHEPHARDDS ,etal. Orderingofrutheniumclustercarbonylsinmesoporoussilica [J] .Science ,1998,2 80 (1) :70 5 -70 8.
- [4] ANWANDERR ,RUNTEO ,EPPINGERJ ,etal. Synthesisandstructuralcharacterizationofrare earthbis (dimethylsilyl)amidesandtheirsurfaceorganometallicchemistryonmesoporousMCM 41[J] .J .Chem .Soc .,DaltonTrans .,1998,(5 ) :847-85 8.
- [5 ] FOWLERCE ,LEBEAUB ,MANNS . CovalentcouplingofanorganicchromophorintofunctionalizedMCM 41mesophasesbytemplate directedco condensation [J] .Chem .Commun .,1998,(17) :182 5 -182 6 .
- [6 ] QIANG ,WANGM ,FANX ,etal. Synthesisinsituof 2 ,2′ dipyridyl Tb(Ⅲ )complexesinsilicagel [J] .J .Mater .ScienceLett .,1997,16 :32 2 -32 3 .
- [7] QIANG ,WANGM . Preparationandfluorescencepropertiesofnanocompositesofamorphoussilicaglassesdopedwithlanthanide(Ⅲ )benzoates [J] .J.Phys .Chem .Solids ,1997,5 8(3) :375 -378.
- [8] JINT ,TSUTSUMIS ,DEGUCHIY ,etal . Luminescenceprop ertyoftheterbiumbipyridylcomplexincorporatedinsilicamatrixbyasol gelmethod [J] .J .Electrochem .Soc .,1995 ,14 2(10 ) :L195 -197.
- [9] KRESGECT ,LEONOWICZME ,ROTHWJ ,etal . Orderedmesoporousmolecularsievessynthesizedbyaliquid crystaltem platemechanism [J] .Nature ,1992 ,35 9(2 2 ) :710 -712 .
- [10 ] MOKAYAR ,JONESW . Synthesisofacidicaluminosilicatemesoporousmolecularsieveusingprimaryamines [J] .Chem .Commun .,1996 ,(8) :981-982 .
- [11] WUCG ,BEINT . MicrowavesynthesisofmolecularsieveMCM 41[J] .Chem .Commun .,1996 ,(8) :92 5 -92 6 .
- [12 ] BURKETTSL ,SIMSSD ,MANNS . Synthesisofhybridinor ganic organicmesoporoussilicabyco condesationofsiloxaneandorganosiloxaneprecursors [J] .Chem .Commun .,1996 ,(11) :136 7-136 8.
- [13] ULAGAPPANN ,RAOCNR . Evidenceforsupramolecularor ganizationofalkaneandsurfactantmoleculesintheprocessofformingmisoporoussilica [J] .Chem .Commun .,1996 ,(2 4) :2 75 9-2 76 0 .
- [14 ] HENY ,YUANCW ,LUZH ,etal. Theverystrongphotolu minescenteffectofmesoporousmolecularstevematerials [J] .SupramolecularScience ,1998,5 :5 2 3 .