Abstracts 1997

Abstract of Publication No. 287

Toni Riedener and Hans U. Güdel
NIR-to-VIS Upconversion of Er3+ in Host Materials with Low-Energy Phonons
Chimia 51, 95-96 (1997)      Full Text (PDF)     

Abstract: Intense NIR-to-VIS upconversion luminescence is observed in Er3+-doped heavier halide host materials such as chlorides and bromides. The multiphonon relaxation rate is found to be a crucial factor in the chemical tuning of the excited-state properties.

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