Insoluble oxalates modified K2XF6:Mn4+ (X = Ti, Ge, Si) red-emitting phosphors exhibiting excellent moisture resistance and luminescence for warm white light-emitting diodes
Materials Advances(2023)
摘要
Insoluble MC2O4 (M = Ca, Sr, Ba, Mn) particles were modified on the K2XF6:Mn4+ (X = Ti, Ge, Si) surfaces, which prevent the hydrolysis of internal [MnF6]2− groups and promote the reduction of exposed Mn4+ ions into Mn2+ ones.
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