Electrospinning preparation and upconversion luminescence of yttrium fluoride nanofibers
2019/11/27 21:21:24
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Rare earth (RE) fluoride fibers were synthesized by polymer-supported electrospinning combining two subsequent thermal treatments. One-dimensional (1D) structure was maintained after the fibers were heated. The treated fibers, which were usually several millimeters long, consisted of closely-packed crystalline grains. Pumped with a 980 nm laser, Yb3+ and Tm3+ codoped YF3 fibers exhibited intense upconversion (UC) fluorescence.
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