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Controlled synthesis of functional photoluminescent materials is of particular interest due to their fascinating optical properties. Herein, highly uniform one-dimensional (1D) SiO2:xTb3+ nanofibers and nanobelts are fabricated by electrospinning method combined with sol-gel method. The as-prepared SiO2:xTb3+ nanofibers are belt-like morphology after calcination. The formation mechanism of SiO2:xTb3+ nanofibers and nanobelts is proposed based on decomposition of polyvinylpyrrolidone (PVP) and crystallization of SiO2. The photoluminescence (PL) intensity of SiO2:xTb3+ nanofibers and nanobelts is Tb3+ ions concentration dependent with a maximum at 4 mol% of Tb3+. Particularly, SiO2:xTb3+ nanofibers and nanobelts exhibit a green emission corresponding to 5D4 → 7Fj transition (541 nm) of Tb3+.

advances in nanoparticles

Electrospinning Synthesis and Photoluminescence Properties of One-Dimensional SiO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;:Tb&amp;lt;sup&amp;gt;3+&amp;lt;/sup&amp;gt; Nanofibers and Nanobelts