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This study investigated photoluminescent properties of Sr2CaWO6:Yb3+, Na+ phosphor. The samples were successfully synthesized via a solid-state reaction method with various doping concentrations. The phosphorcan efficiently absorb ultraviolet photons of 250–350nm and transfer its absorbed photon energy toYb3+ions. Then subsequent quantum cutting betweenWO6 groups and Yb3+ions takes place, down-converting...
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