期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 93, 期 6, 页码 1534-1536出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1551-2916.2009.03557.x
关键词
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资金
- National Science Foundation of China [50702056]
- Chinese Academy of Sciences
- Education Department of Anhui Province [TD200701, KJ2008A019]
- Ministry of Education [20090664S]
The luminance degradation of BaMgAl10O17:Eu2+(BAM) caused by baking at 600 degrees C was studied. The dissolution of Si-N into BAM lattice lead to only a reduction in the lattice parameters. Under UV excitation, the Si-N codoping enhanced the luminescent intensity by a factor of 110% for the as-received phosphors and by a factor of 122% for phosphors baked at 600 degrees C for 1 h. This could be attributed to the stable local structure surrounding the Eu2+ ions and the lower electronegativity of nitrogen. The proposed method is expected to be potentially applicable to other aluminate phosphors with higher stability and photoluminescence.
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