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The thermal and the ultraviolet radiation degradation mechanisms of lamp used BaMgAl10O17:Eu2+, Mn2+ phosphor are investigated in a comparative way. Thermal and the ultraviolet radiation treatments can both seriously damage the luminous efficiency of BaMgAl10O17:Eu2+,Mn2+. It is revealed that the thermal degradation is involved in the oxidation and migration of Eu2+ ions. The ultraviolet radiation makes the Eu2+ in metastable state, which weakens the direct absorption of Eu2+ and thus reduces the relative luminescence intensity of BaMgAl10O17:Eu2+,Mn2+.
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Keywords:
- BaMgAl10O17Eu2+ /
- Mn2+ /
- thermal degradation /
- ultraviolet radiation degradation
[1] Lu Hsiaochi, Chen Hongkai, Tseng Tzuyi 2005 Elec. Spec. Rela. Phen. 144-147 983
[2] Xie H, Chen Z, Yan Y W 2006 Mater. Rev. 20 24 (in Chinese) [谢鸿, 陈哲, 严有为 2006 材料导报 20 24]
[3] Ni H Y, Li X B, Ding J H 2008 Mater. Res. Appl. 2 83 (in Chinese) [倪海勇, 李许波, 丁建红 2008 材料研究与应用2 83]
[4] Li J, Zhang Z F 2002 Rare Meta. Ceme. Carb. 30 37 (in Chinese) [李洁, 张哲夫 2002 稀有金属与硬质合金 30 37]
[5] Wu Z S, Liu K, Liang B Q 2006 Jiangsu Metal. 34 4 (in Chinese) [吴直森, 刘凯, 梁步青 2006 江苏冶金 34 4]
[6] Valerie Pike Samuel Patraw Anthony L Diaz, 2003 J. Solid. State. Chem. 173 359
[7] Bizarri G, Moine B 2005 J. Appl. Phys. 98 113528
[8] Yang P, Yao G Q, Lin J H 2004 Opt. Mater 26 327
[9] Liu Y L, Li Y Y, Yang Y S 1995 Cheml. J. Chin. Univ. 16 9 (in Chinese) [刘应亮, 李沅英, 杨燕生 1995 高等学校化学学报 16 9]
[10] Kim K B, Koo KW, Cho T Y, Chun H G 2005Mater. Chem. Phys. 80 682
[11] Bizarri G, Moine B 2005 J. Lumin. 199 113
[12] Jüstel T, Lade H, Mayr W, Meijerink A, Weichert D U 2003 J. Lumin. 101 195
[13] Boolchand P,Mishra K C, Raukas M, Ellens A, Schmidt P C 2002 Phys. Rev. B 66 134429
[14] Mishra K C, Raukas M, Ellens A, Johnson K H 2002 J. Lumin. 96 95
[15] Ellens A, Zwaschka F, Kummer F, Meijerinkb A, Raukasc M, Mishra K 2001 J. Lumin. 93 147
[16] Zhang Z H, Wang Y 2007 J. Lumin. 1003 123
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[1] Lu Hsiaochi, Chen Hongkai, Tseng Tzuyi 2005 Elec. Spec. Rela. Phen. 144-147 983
[2] Xie H, Chen Z, Yan Y W 2006 Mater. Rev. 20 24 (in Chinese) [谢鸿, 陈哲, 严有为 2006 材料导报 20 24]
[3] Ni H Y, Li X B, Ding J H 2008 Mater. Res. Appl. 2 83 (in Chinese) [倪海勇, 李许波, 丁建红 2008 材料研究与应用2 83]
[4] Li J, Zhang Z F 2002 Rare Meta. Ceme. Carb. 30 37 (in Chinese) [李洁, 张哲夫 2002 稀有金属与硬质合金 30 37]
[5] Wu Z S, Liu K, Liang B Q 2006 Jiangsu Metal. 34 4 (in Chinese) [吴直森, 刘凯, 梁步青 2006 江苏冶金 34 4]
[6] Valerie Pike Samuel Patraw Anthony L Diaz, 2003 J. Solid. State. Chem. 173 359
[7] Bizarri G, Moine B 2005 J. Appl. Phys. 98 113528
[8] Yang P, Yao G Q, Lin J H 2004 Opt. Mater 26 327
[9] Liu Y L, Li Y Y, Yang Y S 1995 Cheml. J. Chin. Univ. 16 9 (in Chinese) [刘应亮, 李沅英, 杨燕生 1995 高等学校化学学报 16 9]
[10] Kim K B, Koo KW, Cho T Y, Chun H G 2005Mater. Chem. Phys. 80 682
[11] Bizarri G, Moine B 2005 J. Lumin. 199 113
[12] Jüstel T, Lade H, Mayr W, Meijerink A, Weichert D U 2003 J. Lumin. 101 195
[13] Boolchand P,Mishra K C, Raukas M, Ellens A, Schmidt P C 2002 Phys. Rev. B 66 134429
[14] Mishra K C, Raukas M, Ellens A, Johnson K H 2002 J. Lumin. 96 95
[15] Ellens A, Zwaschka F, Kummer F, Meijerinkb A, Raukasc M, Mishra K 2001 J. Lumin. 93 147
[16] Zhang Z H, Wang Y 2007 J. Lumin. 1003 123
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