Abstract
Improving the optical properties of rare earth doped glasses for diverse optical applications is the current challenge in materials science and technology. We report for the first time, the enhancement of the visible emissions of the Er3+-doped zinc boro-tellurite glasses containing silver nanoparticles with mean diameter~4.5nm. The surface plasmon band is observed at 630nm. The enhancement in the luminescence is attributed to the localized electric field in vicinity of nanoparticles, while the concentration quenching is ascribed to the energy transfer from Er3+ ions to the surface of nanoparticles. Our results suggest that proposed glasses are potential for photonic devices.
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