Metal particle doped indium salt-based phosphor and preparation method thereof
A technology of indium salt and phosphor powder, applied in the field of phosphor powder, can solve the problems of reducing the luminous efficiency of phosphor powder, low voltage luminous efficiency, easy to decompose and emit gas, etc. Effect
Inactive Publication Date: 2012-02-01
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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The invention belongs to the field of a light-emitting material, and discloses metal particle doped indium salt-based phosphor and a preparation method thereof. The general chemical formula of the indium salt-based phosphor is Re'1-xRe''InO3:yM; wherein Re' is one or two of Y, La and Sc; Re'' is one or two of Tm, Tb, Eu, Sm, Gd, Dy and Ce; M is one or two of Ag, Au, Pt and Pd nanoparticles; and x is 0.001-0.2; and y is 5*10-5 to 5*10-2. Metal nanoparticles are introduced into the indium salt-based phosphor, the light-emitting strength is greatly improved by surface plasmon resonance effects produced on metal surfaces, and the degree of improvement can reach 40 percent. Meanwhile, under low-voltage (0.5-3kV) excitation, the phosphor has the advantages of good light-emitting performance, high internal quantum efficiency, high chemical stability, good stability and the like.
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