An orange reddish phosphor Sr BPO_5:Sm~(3+) was synthesized by the traditional solid-state method. The phosphor component was characterized by the X-ray powder diffraction(XRD). The photoluminescence excitation(PLE) and emission spectra(PL) were investigated. The influence of the concentration of Sm~(3+) ions on luminescence properties of samples and concentration quenching mechanism were investigated. The results show that the as-prepared phosphor can be excited by 342 nm, 358 nm, 370 nm and 399 nm UV ligh...
【基金】
National Natural Science Foundation of China(61205180);
Natural Science Foundation of Hebei Province,China(A2012201013);
Distinguished Young Scholars of Hebei University(2012JQ01)
【更新日期】
2016-09-20
【分类号】
TQ422
【正文快照】
Due to their intriguing characters such as durability,small volume,long lifetime and environment friendly,white light-emitting diodes(W-LEDs)are regared as thenext generation solid state lighting devices[1-2].The mostcommon method for preparing the white
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