氟硫化物黄光萤光材料、制备方法及其白光发光二极体

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A novel yellow phosphor of a fluorosulfide having a chemical formula of (A1-x-y Cex By )2 Ca1-z Srz F4 S2 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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