Facile synthesis, formation mechanism and tunable upconversion luminescence of nanocrystals co-doped by Yb³⁺/Tm³⁺

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• 作者：Jiqing Jiao^a ; ^{jqjiao@googlemail.com} ; Huasen Yang^a ; Chenchen Fang^a ; Jianguo Tang^a ; ^{jianguotangde@hotmail.com} ; Yao Wang^a ; Linjun Huang^a ; Jixian Liu^a ; Wei Wang^a ; Shasha Gai^a ; Yao Li^a ; Matt J. Kipper^b ; Laurence A. Belfiore^b ; ^{Laurence.Belfiore@ColoState.EDU}
• 关键词：A. Fluorides ; A. Nanostructures ; B. Solvothermal ; B. Luminescence ; B. Optical properties
• 刊名：Materials Research Bulletin
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：87
• 期：Complete
• 页码：48-53
• 全文大小：1841 K
• 卷排序：87

文摘

UCNPs (GdF3, YF3, NaGdF4 and NaYF4) co-doped by Yb3+/Tm3+ had been synthesized at 150 °C. The growth process and upconversion mechanism of UCNPs had been deduced by schematic diagram. The accumulation and energy transfer of Gd3+ could be demonstrated in the polycrystalline host.