Dependence of Infrared-to-Ultraviolet Emission Enhancement on Yb3+, Er3+:CaF2 Nanoparticle Dimension
In the nanocomplexes with Yb3+, Er3+-codoped calcium fluoride (CaF2:Yb3+, Er3+) nanoparticles, the infrared (IR)-to-ultraviolet (UV) upconversion (UC) properties were explored under 980 nm laser diode (LD) excitation. The strong enhancement of UV emission at 407 nm was observed. An UP mechanism of the materials was discussed.
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Document Type: Research Article
Publication date: 2010-03-01
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