Small-sized (~11.86 nm) and monodisperse hexagonal NaYF4:Yb(3+),Er(3+) upconversion (UC) nanocrystals have been successfully synthesized by simultaneously controlling the nucleation and growth process with a relatively high oleic acid to precursor ratio.
No takes yet. Share an insight, caveat, or question.
Li et al. (2014) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: