Abstract
A series of Eu3+ doped (AMgPO4)1.00−x:Eu3+x (A=Li+, Na+, K+) phosphors were prepared by the solid-state method. XRD results confirm that the samples contain mixture phases of crystals. Cation effect of Li+, Na+, K+ on the PL properties of (AMgPO4)1.00−x:Eu3+x phosphors is discussed. The results indicated that among the three cations, Na+ not only provides the most intensity of Eu3+ emission, but also produces electric-dipole dominated transition (5D0→7F2) and results to obtain the most red color. The optimized molar concentrations of Eu3+ for the three kinds of samples are 6, 8, 10%, which (NaMgPO4)0.92:Eu3+0.08 is a potential candidate as the red-emitting phosphor for UV-based white LED.
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