Relationship between luminescence and matrices in the system A12O3-B2O3-Ce2O3 |
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| Authors: | Hongpeng You Guangyan Hong |
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| Institution: | (1) Laboratory of Rare Earth Inorganic Materials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China;(2) Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China |
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| Abstract: | The system Al2O3-B2O3-Ce2O3, with Al/B ratio varying from 4.5 to 2 and Ce/(Al+B) = 0.02, has been prepared at the temperature from 1 200 to 1 400°C.
Relationship between luminescence and matrices in the system Al2O3-B2O3-Ce2O3 was investigated. It was found that some changes of the matrices occurred with Al/B ratio varying from 4.5 to 2. These results
lead to a great change in luminescence properties, indicating variation of Ce-surroundings of crystal field. With the decrease
of the ratio from 3 to 2, the excitation and emission peaks shift to shorter wavelengths. It was also found that a new type
of rare earth luminescent materials was obtained with appropriate Al/B ratio. |
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| Keywords: | Al2O3 -B2O3 -Ce2O3 X-ray diffraction pattern rare earth luminescence |
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