Upconversion luminescence and Visible-Infrared Properties of β-NaLuF4:Er3+ Microcrystals Synthesized by the Surfactant-Assisted Hydrothermal Method
Figure 4
(a) Newman representations for coordination compound structure of EDTA, PVP, and Ct3−. (b) Schematic illustration of the main stages involved in the growth mechanism of β-NaLuF4 microcrystals.
