采用高温固相反应合成了(Y,Gd)BO3:Eu3+红色发光材料,确定了材料的最佳合成条件.该材料是以六面体晶体结构存在,空间群为P63/mmc(194).红外光谱产生866cm-1和912cm-1的吸收峰,是由两种BO4的伸缩振动产生的,571cm-1、621cm-1、698cm-1、711cm-1峰是由BO4的弯曲振动引起的.发现了随Y/Cd比例的变化,Eu3+周围的局部对称性发生变化.Eu3+发光的红(5D0→7F2跃迁)橙(5D0→7F1跃迁)比随Y3+含量的增加而降低.
参考文献
| [1] | Antic-Fidancev E;Aride J;Chaminade J et al.The aragonite-type neodymium borate NdBO3:Energy levels,crystal field,and paramagnetic susceptibility calculations[J].Journal of Solid State Chemistry,1992,97:74-81. |
| [2] | 裴治武;苏锵 .Eu3+在M3La2(BO3)4(M=Ca,Sr,Ba)中的发光性质[J].发光与显示,1985,6:329-333. |
| [3] | Holsa J .Luminescence of Eu3+ion as a structural probe in high temperature phase transformations in lutetium orthoborates[J].Inorganica Chimica Acta,1987,139:257-259. |
| [4] | Chadeyron G;Mahiou R;ElGhozzi M;Arbus A;Zambon D;Cousseins JC;ENSCCF F-63177 AUBIERE FRANCE. .Luminescence of the orthoborate YBO3:Eu3+. Relationship with crystal structure[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,1997(0):564-566. |
| [5] | Wanklyn B M .The prediction of starting compositions for the flux growth of complex oxide crystals[J].Journal of Crystal Growth,1977,37:334-342. |
| [6] | A.Demourgues;A.Tressaud;H.Laronze;P.Gravereau;P.Macaudiere .Preparation and structural properties of new series of mixed-anion compounds: rare earth fluorosulfides[J].Journal of Fluorine Chemistry,2001(2):215-221. |
| [7] | You HP.;Zeng XQ.;Hong GY.;Kim CH.;Pyun CH.;Park CH.;Wu XY. .Infrared spectra and VUV excitation properties of BaLnB(9)O(16): Re (Ln = La, Gd; Re = Eu, Tb)[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2001(1):11-14. |
| [8] | Pisarski WA;Pisarska J;Ryba-Romanowski W .Structural role of rare earth ions in lead borate glasses evidenced by infrared spectroscopy: BO3 <-> BO4 conversion[J].Journal of Molecular Structure,2005(0):515-520. |
| [9] | Ross S D .The vibrational spectra of some minerals containing tetrahedrally co-ordinated boron[J].Spectrochimica Acta,1972,28A:1555-1561. |
| [10] | Massayuki N;Yoshihiro A .Properties of sol-gel-d-rived Al2O3-SiO2 glasses using Eu3+ion fluoresce spectra[J].Journal of Non-Crystalline Solids,1996,197:73-78. |
| [11] | Ronda CR .Recent achievements in research on phosphors for lamps and displays[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,1997(0):49-54. |
| [12] | Jun Wang;Fengyi Liu;Lianshe Fu et al.Luminescence properties of rare earth-polyoxometalate thin film deposited by sol-gel process[J].Materials Letters,2002,56:300-304. |
| [13] | Judd B R .Zeeman effect as a prototype for intra-atom-ic interactions[J].Physica Phys Rev,1962,127:750-761. |
| [14] | Ofelt G S .Intensities of crystal spectra of rare earth ions[J].Journal of Chemical Physics,1962,37:511-520. |
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