A rare earth nano phosphor and synthetic method thereof

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PURPOSE : A method for manufacturing rare earth nano phosphor is provided to prepare rare earth nano phosphor with excellent luminous efficiency, and to control the shape of nano phosphor.CONSTITUTION : A method for manufacturing rare earth nano phosphor has an average particle diameter of 50-600 nm, wherein the difference between an average particle diameter(D10) corresponding to percentage by weight of particles of 10%% and an average particle diameter(D90) corresponding to percentage by weight of 90%% is 80-900 nm. The rare earth nano phosphor is represented by M(2-x)NxO2Soy, wherein M is at least one selected from the group consisting of Y, Lu, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Yb, 0© KIPO 2009