以钼酸铵、硝酸钡和三氧化二铕为原料,通过化学沉淀法制备稀土掺杂的发红光材料BaMoO4:Eu3+,并用X射线衍射和激发发射光谱对粉体的结构和发光性能进行了表征.结果表明,获得最强发光BaMoO4:Eu3+粉体的最佳合成条件是:反应溶液的pH值为6、烧结温度为1000℃以及Eu3+掺杂量(mol分数)为8%.BaMoO4:Eu3+粉可被394 nm的紫外光和465 nm的可见光有效激发,其发射光谱在616 nm处发光强度最大,是以电偶极跃迁5D0→7F2为主导地位的红光发射.
参考文献
| [1] | J.Kovac,L.Peternai,O.Lengyel,Advanced light emitting diodes structures for optoelectronic applications,Thin Solid Films,433,22(2003) |
| [2] | ZANG Jingcun,QI Yang,LIU Yanhang,Solid state lighting and rare earths phosphors for LED,Materials Review,20(7),6(2006)(臧竞存,祁阳,刘燕行,固体白光照明和稀土发光材料,材料导报,20(7),6(2006)) |
| [3] | XU Shiqing,JIN Shangzhong,WANG Baoling,ZHANG Liyan,ZHAO Shilong,LI Chenxia,Solid state lightingrecent progress in research of white light emitting diodes,Journal of China Jiliang University,17(3),188(2006)(徐时清,金尚忠,王宝玲,张丽艳,赵士龙,李晨霞,固体照明光源-白光LED的研究进展,中国计量学院学报,17(3),188(2006)) |
| [4] | CHENG Lihong,ZHONG Haiyang,SUN Jiashi,ZHAO Xiaoxia,Synthesis and characterization of Eu(3+)doped Gd2(MoO4)3 phosphor for white LED applications,Journal of the Chinese Rare Earth Society,26(2),229(2008)(程丽红,仲海洋,孙佳石,赵晓霞,白光LED用红色发射荧光粉Gd2(MoO4)3:Eu(3+)制备与表征,中国稀土学报,26(2),229(2008)) |
| [5] | LI Xu,YANG Yong,YANG Zhiping,GUAN Li,LIU Chong,Fabrication and properties of Eu(3+) doped La2Mo209 red phosphor,Chinese Journal of Luminescence,29(1),93(2008)(李旭,杨勇,杨志平,关丽,刘冲,Eu(3+)激活的La2MO2O9红色荧光粉的制备与性能,发光学报,29(1),93(2008)) |
| [6] | LIAO Yong,ZHU Wei,LI Xueming,MO Yunqi,HAO Xiaoguang,MA Xiaoqiang,Preparation of Li(2-x) (MoO4)2:Eux phosphors by sol-gel process and their characterization,Materials Review,21(8),321(2007)(廖勇,朱伟,黎学明,莫芸绮,郝小光,马小强,溶胶-凝胶法制备Li(MoO4)2:Eu及表征,材料导报,21(8),321(2007)) |
| [7] | ZHOU Liya,WANG Lei,WEI Jianshe,GONG Fuzhong,HE Xipu,MA Zhen,Synthesis and photoluminescence of CaM004:Eu(3+) phosphor for white LEDs,Chemical Research and Application,20(8),952(2008)(周立亚,王雷,魏建设,龚福忠,何熙璞,马震,白光LED用红色荧光粉CaMoO4:Eu(3+)的制备及发光性能研究,化学研究与应用,20(8),952(2008)) |
| [8] | J.H.Ryu,J.W.Yoon,K.B.Shim,Microwave-assisted synthesis of BaM004 nanocrystallites by a citrate complex method and their anisotropic aggregation,Journal of Alloys and Compounds,413,144(2006) |
| [9] | Ana Paula Azevedo Marques A,Dulce M.A.de Melo,Elson Longo,Carlos A.Paskocimas,Paulo S.Pizani,Edson R.Leite,Photoluminescence properties of BaM004 amorphous thin films,Journal of Solid State Chemistry,178,2346(2005) |
| [10] | Y.S.Hu,W.D.Zhuang,H.Q.Ye,D.H.Wang,S.S.Zhang,X.W.Huang,A novel red phosphor for white light emitting diodes,Journal of Alloys and Compounds,390,226(2005) |
| [11] | Q.M.Wang,B.Yan,Hydrothermal mild synthesis of microrod crystalline YxGd(2-x)(MoO4)3:Eu(3+)phosphors derived from facile co-precipitation precursors,Materials Chemistry and Physics,94,241(2005) |
| [12] | FU ShiLiu,YIN Tao,CHAI Fei,Solid state reaction mechanism and luminescence of Eu(3+) doped Ca2SnO4phosphor,Journal of Inorganic Materials,22(4),647(2007)(符史流,尹涛,柴飞,Ca2SnO4:Eu(3+)固相反应形成机理及发光性质研究,无机材料学报,22(4),647(2007)) |
| [13] | GAO Shaokang,WANG Guimei,JIANG Yixiong,ZHAO Bin,CHEN Jianzhong,Studies on the nucleation of supersaturated ammonium tetramolybclate solution,Journal of Fuzhou University (Natural Science),34(1),137(2006)(高绍康,王桂美,蒋奕雄,赵斌,陈建中,硝酸酸沉四钼酸铵·过饱和溶液的成核研究,福州大学学报(自然科学版),34(1),137(2006)) |
| [14] | ZHANG Shiying,WEI kun,Study on luminescence property of nanocrystalline Y203:Eu3+ red phosphor,Spectroscopy and Spectral Analysis,24(4),407(2004)(张世英,魏坤,纳米晶Y2O3:Eu(3+)红色荧光体的发光性质研究,光谱学与光谱分析,24(4),407(2004)) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%