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The CaWO4:Eu3+ phosphors with different doping concentrations and different sintered temperatures are synthesized using the microemulsion reaction method. After sintered at different temperatures, the samples with doping concentration of 30 or 50 mol% can obtain the brightest characteristic emissions from Eu3+ ions. At 800 ℃, moreover, the samples with doping concentrations of 0.52 mol% can emit the strongest light. It is therefore concluded that more intense emissions enable the CaWO4:Eu3+ phosphors with high doping concentrations to have great potential to be used as efficient phosphors in the future.
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Keywords:
- CaWO4:Eu3+ /
- Judd-Ofelt theory /
- doping concentration /
- photoluminescence
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[13] Jia P Y, Liu X M, Li G Z, Yu M, Fang J, Lin J 2006 Nanotechnology 17 734
[14] Wermuth M, Riedener T, Güdel H U 1998 Phys. Rev. B 57 4369
[15] Su Y G, Li G S, Xue Y F, Li L P 2007 J. Phys. Chem. C 111 6684
[16] Liu C X, Zhang J H, Lü S Z, Liu J Y 2004 Acta Phys. Sin. 53 3945 (in Chinese) [刘春旭, 张家骅, 吕少哲, 刘俊业 2004 物理学报 textbf 53 3945]
[17] Chen B J, Wang H Y, E S L, Huang S H 2001 Chinese J. Lumin. 22 139 (in Chinese) [陈宝玖, 王海宇, 鄂书林, 黄世华 2001 发光学报 textbf 22 139]
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[1] Lis S, Elbanowski M, Makowska B, Hnatejko Z 2002 J. Photochem. Photobiol. A 150 233
[2] Anicete-Santos M, Picon F C, Escote M T, Leite E R, Pizani P S, Varela J A, Longo E 2006 Appl. Phys. Lett. 88 211913
[3] Lou X M, Chen D H 2008 Mater. Lett. 62 1681
[4] Liu Z W, Liu Y L, Yuan D S, Zhang J X, Rong J H, Huang L H 2004 Chinese J. Inorg. Chem. 20 1433 (in Chinese) [刘正伟, 刘应亮, 袁定胜, 张静娴, 容建华, 黄浪欢 2004 无机化学学报 textbf 20 1433]
[5] Xu X R, Su M Z 2004 Luminescence and Luminescent Materials (Beijing: Chemical Industry Press) (in Chinese) [徐叙瑢, 苏勉曾 2004 发光学与发光材料, (北京: 化学工业出版社)]
[6] Ren Y D, Lü S C 2011 Acta Phys. Sin. 60 087804 (in Chinese)[任艳东, 吕树臣 2011 物理学报 textbf 60 087804]
[7] Sun J Y, Du H Y, HuWX 2003 Solid Luminescent Materials (Beijing: Chemical Industry Press) (in Chinese) [孙家跃, 杜海燕,胡文祥 2003 固体发光材料, (北京:化学工业出版社)]
[8] Cai Z L, Meng J X, Liu M, Shi Z P, Liu Y L 2008 Chinese J. Rare Earth 29 10 (in Chinese) [蔡子龙, 孟建新, 刘敏, 时朝璞, 刘应亮 2008 稀土 textbf 29 10]
[9] Wang Z J, Yang Z P, Guo Q L, Li P L, Fu G S 2009 Chin. Phys. B 18 2068
[10] Ma M X, Zhu D C, Tu M J 2009 Acta Phys. Sin. 58 5826 (in Chinese) [马明星, 朱达川, 涂铭旌 2009 物理学报 textbf 58 5826]
[11] Tang H X, Lü S C 2011 Acta Phys. Sin. 60 037805 (in Chinese)[唐红霞, 吕树臣 2011 物理学报 textbf 60 037805]
[12] Feng X H, Meng Q Y, Sun J T, Lü S C, Sun L N 2011 Acta Phys. Sin. 60 037806 (in Chinese) [冯晓辉, 孟庆裕, 孙江亭, 吕树臣,孙立男 2011 物理学报 textbf 60 037806]
[13] Jia P Y, Liu X M, Li G Z, Yu M, Fang J, Lin J 2006 Nanotechnology 17 734
[14] Wermuth M, Riedener T, Güdel H U 1998 Phys. Rev. B 57 4369
[15] Su Y G, Li G S, Xue Y F, Li L P 2007 J. Phys. Chem. C 111 6684
[16] Liu C X, Zhang J H, Lü S Z, Liu J Y 2004 Acta Phys. Sin. 53 3945 (in Chinese) [刘春旭, 张家骅, 吕少哲, 刘俊业 2004 物理学报 textbf 53 3945]
[17] Chen B J, Wang H Y, E S L, Huang S H 2001 Chinese J. Lumin. 22 139 (in Chinese) [陈宝玖, 王海宇, 鄂书林, 黄世华 2001 发光学报 textbf 22 139]
[18] Boyer J C, Vetrone F, Capobianco J A, Speghini A 2004 J. Phys. Chem. B 108 20137
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