Abstract
The monolithic silica glass doped with Tb3+ ions was fabricated using the SiO2–PVA nanocomposite as the glass precursor. In order to dope Tb3+ ions in the monolithic silica glass, the mesoporous SiO2–PVA nanocomposite was immersed in the Tb3+ ions contained solution and subsequently sintered at 1100°C in air. Consequently the monolithic transparent silica glass was obtained, exhibiting green fluorescence attributed to 5D4→7F5 main transitions under UV excitation. The Tb concentration in the sintered glass could be controlled by immersion time of the nanocomposite in the solution.
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