Cooperative energy transfer in Eu~(3+),Yb~(3+) codoped Y_2O_3 phosphor
Under 980 nm laser excitation,red emission(5D0-7FJ(J=0,1,2)) of Eu3+ was observed in cubic Y2O3 codoped with Eu3+ and Yb3+.The dependence of the upconverted emission on doping concentration and laser power was studied.Yb3+ emission around 1000 nm(2F5/2-2F7/2) was reported upon excitation of Eu3+ ion...
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| Published in | Journal of rare earths no. 2 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
2010
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| Online Access | Get full text |
| ISSN | 1002-0721 2509-4963 |
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| Summary: | Under 980 nm laser excitation,red emission(5D0-7FJ(J=0,1,2)) of Eu3+ was observed in cubic Y2O3 codoped with Eu3+ and Yb3+.The dependence of the upconverted emission on doping concentration and laser power was studied.Yb3+ emission around 1000 nm(2F5/2-2F7/2) was reported upon excitation of Eu3+ ions.The decay curves of 5DJ(J=0,2) emission of Eu3+ under excitation of 266 nm pulse laser were examined to investigate the Eu3+→Yb3+ energy transfer process.Cooperative energy transfer process was discussed as the... |
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| Bibliography: | 11-2788/TF O614.3 cooperative energy transfer; Y2O3:Eu3+; Yb3+; upconversion; sol-gel; rare earths cooperative energy transfer Yb3+ upconversion Y2O3:Eu3+ sol-gel rare earths |
| ISSN: | 1002-0721 2509-4963 |