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CE3+, EU2+ AND MN2+ - ACTIVATED ALKALINE EARTH SILICON NITRIDE PHOSPHORS AND WHITE-LIGHT EMITTING L

2025-07-27 06:091140下载
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The invention refers to an alkaline earth silicon nitride phosphor of the MSiN2 type that is activated by Ce3+ and/or Eu2+ and/or Mn2+ ions. A preferred embodiment of the phosphor is defined by the general formula MSiN2 : A, wherein M is a divalent metal ion, especially Mg, Ca, Sr, Ba, Be and/or Zn, and A is an activator chosen from the group Ce3+, Eu2+ and/or Mn2+. A preferred application for this phosphors is a white-light emitting LED using the phosphor for conversion of radiation.


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