Two-phase solvothermal synthesis of rare-earth doped NaYF4 upconversion fluorescent nanocrystals
作者： Meng Wang , Jin-Ling Liu , Yi-Xin Zhang , Wei Hou , Xian-Long Wu
DOI: 10.1016/J.MATLET.2008.10.028
关键词:
摘要: The synthesis, characterization, and fluorescent spectra of rare-earth doped NaYF4 upconversion nanocrystals are introduced in this paper. The nanocrystals were synthesized in the water-ethanol-oleic acid system via a two-phase solvothermal approach, by using rare-earth stearate as the precursor. The as-prepared nanocrystals were of hexagonal phase, strong UC fluorescent intensity, with an average size of about 25 nm, which have been characterized by TEM, SAED, powder XRD, and luminescence spectroscopy. The possible …
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