以尿素为燃料硼酸为助熔剂,采用燃烧法合成了Sr2 CeO4∶Eu3+、Tb3+发光材料.测试结果表明,当Tb3+的掺杂为1%(摩尔分数)时,合成的样品为单相Sr2CeO4斜方晶系结构,其样品的激发光谱为240~370nm的宽带双峰,发射光谱为400~550nm宽带峰,余辉衰减曲线的结果显示,适量的掺杂Tb3+可以提高产品的发光性能.与Sr2CeO4∶Eu3+相比,掺杂Tb3+有利于形成结晶度好的固溶体,样品的发光强度明显提高.
参考文献
[1] | 樊国栋,肖国平.SrAl2O4:Eu2+,Dy3+,Pr3+纳米长余辉发光材料的制备与表征[J].硅酸盐学报,2011(02):199-203. |
[2] | Chang C;Mao D;Shen J et al.Preparation of long persistent SrO @ 2Al2O3 ceramics and their luminescent properties[J].Journal of Alloys and Compounds,2003,348(1-2):224-230. |
[3] | Chang C;Jiang L;Mao D et al.Photoluminescence of 4SrO@ 7A12O3 ceramics sintered with the aid of B2O3[J].Ceramics International,2004,30(02):285-290. |
[4] | X. Luo;W. Cao;Z. Xiao .Investigation on the distribution of rare earth ions in strontium aluminate phosphors[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2006(1/2):250-255. |
[5] | 周传仓,卢忠远,戴亚堂,王兵.共沉淀法制备超细长余辉发光材料铝酸锶铕镝的研究[J].稀有金属,2005(01):20-24. |
[6] | Park CH.;Pyun CH.;Choy JH.;Kim CH. .Luminescence of Sr2CeO4[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):1062-1064. |
[7] | Serra OA.;Calefi PS.;Cicillini SA.;Severino VP. .The blue phosphor Sr2CeO4 synthesized by Pechini's method[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2001(0):667-669. |
[8] | Jiang Yongdong;Zhang Fuli;Christopher J .Summers synthesis and properties of Sr2CeO4 blue emission powder phosphor for field emission displays[J].Applied Physics Letters,1999,74(12):1677. |
[9] | 翟永清,周雪玲,回学庄,丁士文,孟媛.蓝色发光材料Sr2CeO4的燃烧法合成及表征[J].化工新型材料,2005(12):33-35. |
[10] | Kang MJ.;Choi SY. .Preparation of Sr2CeO4 blue phosphor by ultrasonic spray pyrolysis: effect of NH4NO3 addition[J].Journal of Materials Science,2002(13):2721-2729. |
[11] | 沈毅,张平,郑振太,曲远方.不同添加剂对SrAl2O4:(Eu,Dy)磷光体发光性能的影响[J].硅酸盐学报,2006(10):1187-1190. |
[12] | 林元华,唐子龙,张中太,王晓欣.不同添加剂对Sr4Al14O25: Eu, Dy长余辉光致发光性能的影响[J].硅酸盐学报,2001(03):218-220. |
[13] | Ekambaram S;Maaza M .[J].Journal of Alloys and Compounds,2005,395(01):132-134. |
[14] | Bang J;Abboudi M;Abrams B .[J].Journal of Luminescence,2004,106(02):177-185. |
[15] | Peng Tianyou;Yang Huanping;Pu Xuli et al.[J].Materials Letters,2004,58(02):352-356. |
[16] | 吴国元,鲍利军,杨宇.一步燃烧法制备铝酸盐长余辉蓄发光材料的研究[J].功能材料,2004(z1):217-220. |
[17] | 樊国栋,肖国平,张昭.H3BO3对燃烧法制备SrAl2O4:Eu2+、Dy3+、Pr3+发光性能的影响[J].功能材料,2011(02):244-247. |
[18] | 揣晓红,张洪杰,李福燊,周国治.Sr2CeO4:Eu3+柠檬酸-凝胶法的合成及发光性质研究[J].无机化学学报,2003(05):462-466. |
[19] | 符史流;戴军;丁球科 等.Sr2CeO4电荷迁移发光的光谱结构规律研究[J].物理化学学报,2005,54(05):2069-2073. |
[20] | Kuang JY;Liu YL;Zhang JX;Huang LH;Rong JH;Yuan DS .Blue-emitting long-lasting phosphor, Sr3Al10SiO20 : Eu2+,Ho3+[J].Solid State Communications,2005(1):6-10. |
[21] | 石士考;周 济;栗俊敏 等.稀土Gd3+的掺杂对Sr2CeO4:Eu3+发光的影响[J].四川大学学报,2005,42(02):305-307. |
[22] | 樊国栋,肖国平,张昭,李刚辉.铽掺杂对SrAl_2O_4:Eu~(2+),Dy~(3+)发光性能的影响[J].硅酸盐学报,2012(01):85-89. |
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