Add time:07/23/2019         Source:sciencedirect.com

Highly-dispersed BaLuF5:Yb3+/Er3+ nanocrystals were prepared by a facile potassium sodium tartrate-assisted hydrothermal method. The average particle size was approximately 20–25 nm. The formation mechanism is discussed. Potassium sodium tartrate led to form a complex with an approximately three-dimensional network structure, which insured largely concurrent nucleation. As a result, we acquired uniform nanoparticles. The hydrothermal temperature, holding time, and pH value were important factors affecting the formation of the BaLuF5:Yb3+/Er3+ nanocrystals. We investigated their influence on the formation and realized the optimal reaction parameters. Remarkably, potassium sodium tartrate also contributed to the biocompatibility and potential biomedical applications of BaLuF5:Yb3+/Er3+ nanocrystals by decomposing into small organic groups attached to the nanoparticles.

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