Synthesis and upconversion luminescence properties of Yb3+/Tm3+-codoped BaSiF6 nanorods

One-dimensional BaSiF6:Yb3+(20%)/Tm3+(1.2%) nanorods were synthesized by a facile microemulsion method for the first time. X-ray topographic analysis found that the nanorods have a pure rhombohedral structure. Under 980 nm excitation, bright-blue upconversion luminescence was presented in the nanorods, indicating that BaSiF6 is a new host material for producing desirable upconversion luminescence.

(a) TEM image of BaSiF6 nanorods before aging. (b) Magnified TEM image and electron diffraction pattern of BaSiF6 nanorods before aging. (c) TEM image and electron diffraction pattern of BaSiF6 nanorods aged for 7 days.Figure optionsDownload as PowerPoint slide