Wissenschaftliche Artikel der BAM
Filtern
Erscheinungsjahr
- 2020 (1)
Dokumenttyp
Sprache
- Englisch (1)
Referierte Publikation
- ja (1)
Schlagworte
- Light harvesting (1) (entfernen)
Organisationseinheit der BAM
Upconversion photoluminescence in hetero-oligonuclear metal complex architectures featuring organic ligands is an interesting but still rarely observed phenomenon, despite its great potential from a basic research and application perspective. In this context, a new photonic material consisting of molecular chromium(III) and ytterbium(III) complex Ions was developed that exhibits excitation-power density-dependent cooperative sensitization of the chromium-centered 2E/2T1 phosphorescence at approximately 775 nm after excitation of the ytterbium band 2F7/2!2F5/2 at approximately 980 nm in the solid state at ambient temperature. The upconversion process is insensitive to atmospheric oxygen and can be observed in the presence of water molecules in the crystal lattice.