Abstract
Sr2. 95 Si O5∶ 0. 05 Eu phosphors were synthesized by high temperature solid phase method,and the phosphor phase,excitation and emission spectra,particle size distribution,surface morphology were investigated with the help of X-ray diffraction,spectrometer,granulometer and scanning electron microscopy. The influence of crucible lid-covering technology on the performance of the product was analyzed. The results indicate that the luminous intensity of the samples increases with the increasing of the crucible close degree. Crucible with lid is of benefit to the product for high purity Sr3 Si O5phase. The particle size of the sample with crucible lid-covering is larger,but the size distribution is uniform.
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