Phase control of upconversion nanocrystals and new rare earth fluorides though a diffusion-controlled strategy in a hydrothermal system†
Qiang Zhang,Bing Yan
Chemical Communications Pub Date : 04/18/2011 00:00:00 , DOI:10.1039/C1CC11367D
Abstract
Here we report a general hydrothermal technology to obtain well-known rare earth fluorides involving β-NaYF4:Yb, Er/Tm and β-NaGdF4:Yb, Er/Tm upconversion nanocrystals, one new polymorph of γ-REF3 (RE = Eu–Tm, Y) and hexagonal LiREF4 (RE = Nd–Lu, Y) colloidal nanocrystals.
