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We report the synthesis and characterization of cubic NaGdF4:Yb/Tm@NaGdF4:Mn core–shell structures. By taking advantage of energy transfer through Yb→Tm→Gd→Mn in these core–shell nanoparticles, we have realized upconversion emission of Mn2+ at room temperature in lanthanide tetrafluoride based host lattices. The upconverted Mn2+emission, enabled by trapping the excitation energy through a Gd3+ lattice,...
Es gibt ein großes Interesse an der Erforschung von Lanthanoid‐dotierten aufkonvertierenden Nanopartikeln aufgrund ihrer optischen Eigenschaften und ihrem breitgefächerten Anwendungspotential von der biologischen Bildgebung bis hin zur photodynamischen Therapie. Trotz der beachtlichen Fortschritte, die im letzten Jahrzehnt erzielt wurden, wird das Gebiet durch erhebliche experimentelle Probleme im...
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