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In Depth Analysis on the Excitation Spectrum of SrS: Eu2+, Dy3+
Abstract:
The long persistent phosphor SrS: Eu2+, Dy3+ was prepared by hydrothermal method. The crystalline structure was characterized by using X-ray diffraction (XRD). The experimental excitation spectrum was carried out with Flurolog-3 fluorescent spectrometer. The results show that there are seven sharp sub-peaks on the wide band spectrum. This paper focuses on the origin of the seven peaks. Rhodamine B standard solution was used to confirmed that these peaks correspond to the light source (Xe lamp) emission in Flurolog-3 fluorescent spectrometer. The excitation spectrum of Eu2+ in SrS: Eu2+, Dy3+ was corrected with Rhodamine B. It was found that the corrected spectrum was quite different from the experimental spectrum.
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262-267
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Online since:
April 2015
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© 2015 Trans Tech Publications Ltd. All Rights Reserved
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