Longyi Bao, Zhengquan Li, Qingling Tao, Jianjian Xie, Yuanyuan Mei and Yujie Xiong
A facile and productive method has been developed to synthesize uniform LaF 3 nanocrystals with controllable shapes, including polyhedrons, nanorods and nanoplates. By tuning the amount of NaOH and ligands (oleic acid and octadecylamine), we can finely tailor the shapes and sizes of LaF 3 nanocrystals. Three prepared LaF 3 nanostructures were well characterized, followed by a series of control experiments to propose a mechanism for the shape control. Based on the success in materials synthesis, controlled patterning of LaF 3 nanoplates on substrates has also been achieved. After Yb/Er or Yb/Tm was co-doped in these LaF 3 nanostructures, they could serve as nanoparticulate host matrices to give strong upconversion luminescence, showing great potential in biomedical applications considering their small sizes and well-defined shapes.
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A facile and productive method has been developed to synthesize uniform LaF 3 nanocrystals with controllable shapes, including polyhedrons, nanorods and nanoplates. By tuning the amount of NaOH and ligands (oleic acid and octadecylamine), we can finely tailor the shapes and sizes of LaF 3 nanocrystals. Three prepared LaF 3 nanostructures were well characterized, followed by a series of control experiments to propose a mechanism for the shape control. Based on the success in materials synthesis, controlled patterning of LaF 3 nanoplates on substrates has also been achieved. After Yb/Er or Yb/Tm was co-doped in these LaF 3 nanostructures, they could serve as nanoparticulate host matrices to give strong upconversion luminescence, showing great potential in biomedical applications considering their small sizes and well-defined shapes.
Link to full article
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