Yellow Fluorosulfide Phosphors for Light-Emitting Diode And Preparation Method Thereof

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A novel yellow phosphor of a fluorosulfide having a chemical formula of (A1-x-yCexBy)2Ca1-zSrzF4S2 and a tetragonal crystal phase is disclosed, wherein A and B are different rare earth metals other than Ce, the values of x, y, z are 0

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