Effect of composition and phase separation on structure and luminescence properties of Tb3+ doped borosilicate glasses
Source abstract
Abstract
Two borosilicate glass series with different Na 2 O/B 2 O 3 ratio and different phase separation probability have been doped with largely different concentrations of Tb 3+ . The addition of rare earth elements increases the phase separation tendency of borosilicate glasses, allowing to study the process in detail. Phase separation structures were also modified by annealing the glass samples at different temperatures and times. The occurring effects were studied by high resolution transmission electron microscopy (TEM) as well as with static and dynamic luminescence measurements. Strong effects of glass composition, doping concentration, and annealing on the intensity and shape of the luminescence spectra and the time-resolved luminescence are found and explained. • Correlation of microstructure and fluorescence features of glasses • Phase separation is intensified by the addition of rare earth oxides. • Glass composition, Tb 3+ concentration and annealing affect luminescence. • In the homogeneous glasses, the luminescence emission peaks are split. • Phase separation was detected by a short luminescence lifetime component.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Lanthanide and Transition Metal Complexes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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