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A series of novel lanthanum strontium aluminate phosphors, Ce3+-doped LaSr2AlO(5–0.5x)Fx(LSAF) phosphors were successfully synthesized using the high-temperature solid state synthesis procedure under reducing atmosphere (H2/N2=1/4). The X-ray diffraction pattern revealed that LSAF sample was a pure LaSr2AlO5 phase with a sintering temperature of 1250 °C. With the increasing amount of SrF2, the particle...
LaSr2AlO5:Sm3+ phosphors were synthesized by the Pechini-type sol-gel process. The X-ray diffraction pattern revealed that a pure LaSr2AlO5 phase was obtained with a sintering temperature of 1200 °C. Microstructure characterization showed that the particles were spherical in shape with a mean size of 2.93 µm. Being a candidate orange/red emitting phosphor for orange and white light emitting diodes,...
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