Self-Assembly of Yb3+-Tm3+ Co-Doped YF3 Elongated Nanocrystals into Nanobundles of Straw and Up-Conversion Fluorescence
The hierarchical self-assembly of Yb3+ and Tm3+ co-doped YF3 elongated nanocrystals (NCs) into nanobundles of straw were synthesized through a facile hydrothermal route. The formational mechanisms of regular aggregates of the building blocks were studied. Ultraviolet (UV)-blue upconversion emissions of Tm3+ were recorded under 980-nm excitation by the Yb3+ sensitizer. The relatively bright blue emission indicated that the bundles have the potential for applications such as short-wavelength solid-state lasers and display devices.
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Document Type: Research Article
Publication date: 2008-03-01
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