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.
Zhang
Jishuang
J
Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130033, China.
Qin
Weiping
W
Zhang
Jisen
J
Wang
Yan
Y
Cao
Chunyan
C
Jin
Ye
Y
Wei
Guodong
G
Wang
Guofeng
G
Wang
Lili
L