Role of Ag⁺ Ions in Determining Ce³⁺ Optical Properties in Fluorophosphate and Sulfophosphate Glasses.

ABSTRACT: Understanding the interactions among dopant species and the role of the host lattice is of fundamental importance for the chemical formulation of optically active glasses. Here, we consider the archetypal dopant pair of Ag-Ce in complex fluorophosphate (PF) and sulfophosphate (PS) matrices, in which variable bonding environments and ligand selectivity exert distinct effects on dopant properties. The addition of Ag⁺ to PF glasses blue-shifts the ultraviolet (UV) cutoff wavelength of Ce³⁺ and enhances its photoluminescence (PL) intensity. In PS matrices, the exact opposite effect is observed: red-shifting the UV cutoff and lowering the PL intensity. No Ag-Ag pairs or cluster species were found in either matrix material; however, in PS, such clustering could be triggered

SUBMITTER: Zhou R 

PROVIDER: S-EPMC8582266 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature