Tb~(3+) and Yb~(3+) co-doped Sr_2B_2O_5 phosphors were synthesized by conventional solid-state reactions. The obtained Sr_2B_2O_5: Tb~(3+), Yb~(3+) phosphors were characterized by X-ray diffraction(XRD) and photoluminescence(PL) spectra. XRD results show that all prepared phosphors can be readily indexed to pure monoclinic phase of Sr_2B_2O_5. The dominant excitation at 374 nm was observed among three strong excitation peaks located at 354, 374 and 487 nm monitored at 543 nm and 980 nm, by which Sr_2B_2O_5 ...
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