Study for Photoluminescence Characteristics of the Blue-emiting Phosphor MGa_2S_4:Ce(M=Ca, Sr)
Source abstract
Abstract
The blue-emitting phosphor MGa2S4:Ce(M=Ca, Sr) was prepared, and its crystallinity wasanalysed by X-ray diffraction. The excitation and emission spectra of MGa2S4:Ce were measuredand investigated, and the effects of the cerium concentration and the composition of host materialon the PL properties for MGa2S4:Ce powder were studied. The results of PL measurement showedthat MGa2S4:Ce phosphor achieved an even more saturated blue emission, and the optimumcerium concentration for high efficiency and more saturated blue emission was about 6mol% forMGa2S4:Ce, 3.0~4.0mol% for SrGa2S4:Ce.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials
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