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YELLOW FLUOROSULFIDE PHOSPHOR FOR LIGHT-EMITTING DIODE AND PREPARATION METHOD THEREOF

2025-06-17 20:331450下载
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PROBLEM TO BE SOLVED : To provide a yellow phosphor suitable for use in white light-emitting diode. SOLUTION : A fluorosulfide yellow phosphor is provided which has a chemical formula of (A1-x-yCexBy)2Ca1-zSrzF4S2 and a tetragonal crystal phase, wherein : A and B are different rare earth metals other than Ce; and the values of x, y, z are 0
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