分别以乙醇-水、乙二醇-水、乙二胺-水作为介质,对纳米荧光粉Eu0.12Y178Ca0.10O3-δ进行水热改性.利用X射线粉末衍射(XRD)、扫描电镜(SEM)、透射电镜(TEM)、荧光光谱对其形貌和光致发光(PL)性能进行研究.结果表明,采用三种介质水热改性后,可明显改善纳米荧光粉Eu0.12Y178Ca0.10O3-δ的分散性,得到球形纳米晶,颗粒大小均在30 nm左右.水热改性后,Eu0.12Y1.78Ca0.10O3-δ纳米荧光粉的光致发光性能均高于未改性样品,其中,以乙二醇-水为介质水热改性后,光致发光性能得到显著增强.
参考文献
| [1] | Kwak MG.;Park JH.;Shon SH. .Synthesis and properties of luminescent Y2O3 : Eu (15-25 wt%) nanocrystals[J].Solid State Communications,2004(3/4):199-201. |
| [2] | Sun B J;Song H W;h S Z et al.Structure and Luminescent Properties of Co-doped Nanocrystalline Y2O3:Eu[J].Journal of Rare Earths,2003,2l:33-36. |
| [3] | Chong, MK;Pita, K;Kam, CH .Photoluminescence of Y2O3 : Eu3+ thin film phosphors by sol-gel deposition and rapid thermal annealing[J].The journal of physics and chemistry of solids,2005(1):213-217. |
| [4] | Tissue BM.;Yuan HB. .Structure, particle size, and annealing of gas phase-condensed Eu3+: Y2O3 nanophosphors[J].International Journal of Quantum Chemistry,2003(1/2):12-18. |
| [5] | Dutta S;Mohammad Q;Manoharan S S .Luminescent Properties of Eu3+/Y2O3 Ultrafine Powders Prepared by Rapid Microwave-combustion Route[J].Journal of Materials Science Letters,2002,21:1077-1079. |
| [6] | Kaneko K;Inoke K;Freitag B;Hungria AB;Midgley PA;Hansen TW;Zhang J;Ohara S;Adschiri T .Structural and morphological characterization of cerium oxide nanocrystals prepared by hydrothermal synthesis[J].Nano letters,2007(2):421-425. |
| [7] | 李霞,刘宏,王继扬,崔洪梅,张旭东.醇-水热法制备钇铝石榴石（YAG）纳米粉体[J].无机材料学报,2004(05):1168-1172. |
| [8] | Zhang Y L;Kang Z T;Dong J et al.Self-assembly of Cerium Compound Nanopetals via a Hydrothemal Process Synthesis[J].Journal of Solid State Chemistry,2006,179:1733-1738. |
| [9] | 何恩节,郑海荣,高当丽,田宇,雷瑜,屈世显.四方相LaOF：Eu3+红色纳米荧光粉的水热-烧结法制备及其荧光属性[J].中国科学G辑,2010(01):60-68. |
| [10] | 何玲,王育华.YBO3：Eu荧光粉的水热法制备及形貌控制[J].高等学校化学学报,2004(09):1585-1588. |
| [11] | 司伟,姜妲,高宏,翟玉春.Eu0.12Y1.88-xO3-δ（M=Mg,Ca）纳米晶的制备及光致发光性能[J].中国有色金属学报,2008(10):1879-1884. |
| [12] | Chong M K;Pita K;Kam C H .Photoluminescence of Sol-gel-derived Y2O3:Eu3 + Thin-film Phosphors with Mg2 + and Al3 + Co-doping[J].Applied Physics A:Materials Science and Processing,2004,79:433-437. |
| [13] | 施申蕾,黄莉蕾,张伦,朱京平,付晏彬.EU：Y2O3纳米晶的光谱特性与微结构[J].中国计量学院学报,2005(03):227-232. |
| [14] | Igarashi T;Ihara M;Kusunoki T et al.Ralationship between Optical Properties and Crystallinity of Nanometer Y2O3:Eu Phosphor[J].Applied Physics Letters,2000,76(02):1549-1551. |
| [15] | Buijs M;Meyerink A;Blasse G .Energy Transfer between Eu3 + Ions in a Lattice with Two Different Crystallographic Sites:Y2O3:Eu3+,Gd2O3:Eu3+,and Eu2O3[J].Journal of Luminescence,1987,37:9-20. |
| [16] | 杨丽丽,邹少瑜,王荣,孟建新.乙二醇辅助水热法制备不同形貌的CaTiO3 /CaTiO3：Pr微晶[J].无机化学学报,2010(08):1345-1348. |
| [17] | 姜妲,翟玉春,陈元涛,龚睿,张炜.乙二胺-水体系中合成氧化锌纳米带[J].过程工程学报,2006(05):841-844. |
| [18] | 李志强,赵起,庄云飞,徐丽云.水热法制备YAG：Ce纳米荧光粉[J].河北大学学报（自然科学版）,2009(02):133-136. |
| [19] | 王振华,杨安丽,刘祥林,魏鸿源,焦春美,朱勤生,杨少延,王占国.MOCVD生长温度对氧化锌薄膜结构及发光性能的影响[J].人工晶体学报,2010(01):34-38,43. |
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