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Using tetra-n-butyl titanate and nitrates as starting materials, the red persistent phosphor CaTiO 3 :Pr has been successfully synthesized by modified solid-state reaction. In order to improve the luminescent properties of the phosphor, boric acid as flux regent and aluminum ion as charge compensator were added in, and the influences of partially replacing Ca 2+ in CaTiO 3 ...
Zn1-xTMxS [(TM: Fe or Ni); (0.00001 les x les 0.1)] nanocrystals have been synthesized using well known bottom-up synthesis technique; colloidal chemical coprecipitation method. Powder X-ray diffractometer and Transmission Electron Microscope (TEM) have been used for crystallographic and morphological characterization. Analysis of recorded broad X-ray diffraction patterns show zinc blende structured...
The SrAl2O4: Eu2+, Dy3+ phosphor nanoscale powders with high brightness were prepared by a nano-coating process. The resulted SrCO3@ Al2O3 core-shell precursors were characterized by transmission electron microscope (TEM), which indicates that the precursor particles have narrow size distribution. The structure and optical properties of the phosphor powders were investigated systematically by means...
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