Abstract

YF 3 and YF 3:Eu 3+ mesoporous hexagonal nanocrystals were successfully synthesized via a simple hydrothermal process based on the in situ assembly of the as-synthesized YF 3 and YF 3:Eu 3+ nanoparticles. The well defined mesoporous nanostructures are formed by phenanthroline assisted assembly of ∼20 nm nanoparticles, and 2–4 nm pores are contained as indicated by N 2 adsorption–desorption studies. The obtained YF 3:Eu 3+ mesoporous hexagonal nanoplates show a significant photoluminescence intensity enhancement compared with other shaped YF 3:Eu 3+ nanocrystals.

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