VUV sensitisation of Eu emission by Tb in Ba3Tb(PO4)3-Eu |
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| Authors: | VB Mikhailik H Kraus |
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| Institution: | Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH, UK |
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| Abstract: | The luminescence properties of Ba3Tb0.9Eu0.1(PO4)3 and Ba3Gd0.9Eu0.1(PO4)3 phosphors were studied for excitation over the 120-300 nm wavelength range. It is found that Tb3+, which exhibits a strong vacuum-ultraviolet (VUV) absorption band, provides sensitisation of Eu3+ emission in this host. This effect can be used to develop phosphors with enhanced conversion efficiency of the VUV radiation into visible light. |
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| Keywords: | VUV phosphor Sensitisation Tb3+ Eu3+ energy transfer |
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