Hydrothermal Synthesis and Property of Rare Earth of Fluoride NaYF₄:Er³⁺ Materials

Abstract:

High quality NaYF₄ and NaYF₄:Er³⁺ materials were prepared using EDTA-assisted hydrothermal method. The effects of doping of Er³⁺ on the shape of samples were discussed. The samples were characterized by X-ray powder diffraction (XRD), and scanning electron microscopy (SEM). XRD patterns show that the samples are hexagonal phase of NaYF₄ and NaYF₄:Er³⁺ with good crystallization. SEM images present that the samples of NaYF₄ are homogeneous nanorods with a diameter of 342 nm and a length of 1043nm，the NaYF4:Er3+(5%) sample with a diameter of180.7nm and a length of 1220nm, and NaYF₄:Er³⁺(10%) with a diameter of 139.4nm and a length of 939.9nm.The sizes of the NaYF₄ and NaYF₄:Er³⁺ nanoparticles are basically consistent with that calculated from XRD peak via the Scherrer equation.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 569-572
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.569
• Online since: November 2011
• Authors: Zao Ming Chen, Xi Rong Chen, De Yuan Hu
• Keywords: Hydrothermal Synthesis, Nanomaterial, NaYF₄ Er³⁺

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