Enhancement of up-conversion luminescence properties in Yb³⁺/Tm³⁺/Er³⁺ tri-doped transparent oxyfluoride tellurite glass ceramics

【摘要】 <正>Optically transparent Er³⁺/Tm³⁺/Yb³⁺ tri-doped oxyfluoride tellurite based nano-crystallized glass ceramics with the batching composition of 73TeO₂-15ZnO-7ZnF₂-3YF3-1.5YbF3-0.3ErF3-0.2TmF₃（mol%） is prepared by a conventional melting quenching and the subsequent heat treatment processes.The sizes of grown nano-crystals in glass matrix appear to be smaller than 100 nm from the scanning electron microscope measurement.Visible up-conversion luminescence of the as melted glass and glass ceramics is investigated.The three-color up-conversion luminescence intensities by 980-nm pumping are increased significantly due to the heat treatment,and the blue intensity increases with a higher magnitude than other wavelengths after heat treatment.更多还原

【Abstract】 Optically transparent Er³⁺/Tm³⁺/Yb³⁺ tri-doped oxyfluoride tellurite based nano-crystallized glass ceramics with the batching composition of 73TeO₂-15ZnO-7ZnF₂-3YF3-1.5YbF3-0.3ErF3-0.2TmF₃（mol%） is prepared by a conventional melting quenching and the subsequent heat treatment processes.The sizes of grown nano-crystals in glass matrix appear to be smaller than 100 nm from the scanning electron microscope measurement.Visible up-conversion luminescence of the as melted glass and glass ceramics is investigated.The three-color up-conversion luminescence intensities by 980-nm pumping are increased significantly due to the heat treatment,and the blue intensity increases with a higher magnitude than other wavelengths after heat treatment.更多还原