采用超声波作用下的均匀沉淀法制备Ca2+、La3+掺杂的纳米Y2O3∶Eu3+荧光粉.通过正交实验研究掺杂浓度、溶液pH、超声功率、反应时间、干燥温度、煅烧温度等因素对其光致发光(PL)性能的影响,得到制备Ca2+、La3+掺杂纳米Y2O3∶Eu3+的最佳条件.结果表明,超声功率、Eu(NO3)3浓度、尿素体积、氨水浓度、煅烧温度是影响样品PL强度的主要因素.Ca2+、La3+离子单一掺杂效果优于两种元素的复合掺杂,最佳条件下制备的Ca2+、La3+分别掺杂的纳米Y2O3∶Eu3+荧光粉的发光性能均显著优于未掺杂样品.
参考文献
| [1] | Junying Zhang;Zhongtai Zhang;Zilong Tang .Luminescent properties of Y_2O_3:Eu synthesized by sol-gel processing[J].Journal of Materials Processing Technology,2002(2/3):265-268. |
| [2] | 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. |
| [3] | Yun C K;Hyun S R;Seung B P et al.Use of LiCl flux in preparation of Y2O3:Eu phosphor particles by spray pyrolysis[J].Journal of the European Ceramic Society,2002,22:1661-1665. |
| [4] | Sun LD.;Liao CS.;Wang XL.;Yan CH.;Qian C. .Luminescent proper-ties of Li+ doped nanosized Y2O3 : Eu[J].Solid State Communications,2001(6):393-396. |
| [5] | Shin S H;Kang J H;Jeon D Y et al.Enhancement of cathode luminescence intensities of Y2O3:Eu and Gd2O3:Eu phosphors by incorporation of Li ions[J].Journal of Luminescence,2005,114:275-280. |
| [6] | Sakuma S;Kominami H;Neo Y;Aoki T;Nakanishi Y;Mimura H .Effect of La and Zn addition on Y2O3 : Eu phosphors[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(1/4):458-460. |
| [7] | Sun B J;Song H W;Lu S Z et al.Structure and luminescent properties of co-doped nanocrystalline Y2O3:Eu[J].Journal of Rare Earths,2003,21:33-36. |
| [8] | 刘兴芝,司伟,丁超,王鲁宁,臧树良.无氨湿法制备纳米晶In2O3及表征[J].无机化学学报,2004(08):975-979. |
| [9] | 刘兴芝,司伟,丁超,臧树良.铟锡氧化物纳米网的微波法制备及其光催化特性研究[J].无机化学学报,2004(12):1445-1448. |
| [10] | 宋晓岚,吴雪兰,王海波,曲鹏,邱冠周,曲选辉.共沉淀法合成CeO2/γ-Al2O3复合纳米晶的研究[J].稀土,2004(06):10-14,25. |
| [11] | 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. |
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