On the base of the luminescence properties of the Dy (3+) activated Ⅱ-Ⅴ group complex oxide,the luminescence properties of Ca(NbO_3)_2∶Dy (3+) and compensation effect by Na + for the Ca(NbO_3)_2∶Dy (3+) were intro...On the base of the luminescence properties of the Dy (3+) activated Ⅱ-Ⅴ group complex oxide,the luminescence properties of Ca(NbO_3)_2∶Dy (3+) and compensation effect by Na + for the Ca(NbO_3)_2∶Dy (3+) were introducted. The Dy (3+) concentrations in the phosphor powder of Ca(NbO_3)_2∶Dy (3+) and Ca(NbO_3)_2Na +∶Dy (3+) are different. The excitation spectrum,the emission spectrum and the blue-yellow ratios are obtained,and the spectrum law and the luminescence mechanism are also discussed.展开更多
文摘On the base of the luminescence properties of the Dy (3+) activated Ⅱ-Ⅴ group complex oxide,the luminescence properties of Ca(NbO_3)_2∶Dy (3+) and compensation effect by Na + for the Ca(NbO_3)_2∶Dy (3+) were introducted. The Dy (3+) concentrations in the phosphor powder of Ca(NbO_3)_2∶Dy (3+) and Ca(NbO_3)_2Na +∶Dy (3+) are different. The excitation spectrum,the emission spectrum and the blue-yellow ratios are obtained,and the spectrum law and the luminescence mechanism are also discussed.
