通过分子设计,合成了一种新颖的双β-二酮配体N-正丁基-3,6-二(1,3-丁二酮基)咔唑(H2L)及其铕配合物.单晶X衍射测定了H2L的晶体结构.配体和配合物的红外光谱和电子光谱表明,Eu3+与H2L发生螯合配位.配体的荧光光谱是宽带的蓝色发光,属H2L*→H2L跃迁,而配合物的溶液荧光光谱除了配体的蓝光带外,还有611nm处的Eu3+的特征红光,属5D0→7F2跃迁带;配合物的光致发光光谱只有613nm处为Eu3+的特征红光,属5D0→7F2跃迁带,峰形尖锐,单色性好,表明该配合物为一种潜在的红色发光材料.
参考文献
| [1] | Ho P K H;Thomas D S;Friend R H;Tessler N .All polymer optoelectronic devices[J].Science,1999,285:233. |
| [2] | Van Deun R;Moots D;De Fré B;Binnemans K .Near-infrared photoluminescence of lanthanide-doped liquid crystals[J].Journal of Materials Chemistry,2003,13:1520. |
| [3] | Binnemans K;Lenaerts P;Drieson K;Gorller-Walrand C .Luminescont tris (2othonoyltrifluoroacetonato) europium (Ⅲ) complex covalently linked to a 1,10-phenanthroline-functicnalized solgel glass[J].Journal of Materials Chemistry,2004,14:191. |
| [4] | Kido J;Hayase H;Hongawa K;Nngai K Okuynma K .Bright red light emitting organic electroluminescont devices having a europium complex as an emitter[J].Applied Physics Letters,1994,65(17):2124. |
| [5] | Huang L;Wang K Z;Huang C H;Gan D Q Jin L P .Synthetic and electroluminescent properties d two novel europium complexes with benzimidazole derivatives as second ligands[J].Synthetic Metals,2002,128:241. |
| [6] | Bassett A P;Mngonnis S W;Glove P B;Lewis D J Sponcer N Parsons S Williams R M Cola L D Pikramenon Z .Highly Luminescent,triple-and quadruple-stranded,dinuelear Eu,Nd,and Sm(Ⅲ) hmthanide complexes based on bis-diketonate ligands[J].Journal of the American Chemical Society,2004,126:9413. |
| [7] | 邓崇海,胡寒梅,杨林,吴杰颖,田玉鹏.新型铕双β-二酮红光材料的合成与发光性质[J].中国稀土学报,2007(03):269-273. |
| [8] | Tian YP.;Zhang XJ.;Wu JY.;Fun HK.;Jiang MH.;Xu ZQ.;Usman A. Chantrapromma S.;Thompson LK. .Structural diversity and properties of a series of dinuclear and mononuclear copper(II) and copper(I) carboxylato complexes[J].New Journal of Chemistry,2002(10):1468-1473. |
| [9] | 邓崇海,胡寒梅,杨林,邵国泉,吴杰颖,田玉鹏.咔唑双乙酰化衍生物的合成及其电子光谱[J].合成化学,2007(03):316-318. |
| [10] | 邓崇海,丁爱琴,胡寒梅,吴杰颖,邵国泉.N-正丁基-3,6-二（1,3-丁二酮基）咔唑的合成[J].合成化学,2008(03):308-309,312. |
| [11] | Sheldrick G M.SHELXTL V5.1 Software Reference Manual[M].Bruker AXS Inc.,Madison,Wisconsin,USA,1997 |
| [12] | Charles R G;Ohlmann R C .Europium dibenzoyhnethide edducts[J].Journal of Inorganic and Nuclear Chemistry,1965,27(01):119. |
| [13] | Krebs FC.;Spanggaard H. .An exceptional red shift of emission maxima upon fluorine substitution[J].The Journal of Organic Chemistry,2002(21):7185-7192. |
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