NIR-to-VIS Upconversion of Er³⁺ in Host Materials with Low-Energy Phonons

Toni Riedener; Hans U. Güdel

doi:10.2533/chimia.1997.95

NIR-to-VIS Upconversion of Er³⁺ in Host Materials with Low-Energy Phonons

Authors

Toni Riedener
Hans U. Güdel

DOI:

https://doi.org/10.2533/chimia.1997.95

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.