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- W1539696951 abstract "采用热溶剂法制备了NaYF4∶Tb^3＋,Er^3＋六角相纳米粒子,分析了合成条件对六角相粒子形成的影响。较高的反应温度有利于六角相NaYF4晶体的形成。实验结果表明：六角相是热力学更稳定和更有序的结构,从立方相到六角相的转变是从无序到有序结构的转变。随着尺寸的减小,纳米粒子的下转换效率明显降低。为进一步比较,制备了NaYF4∶Tb^3＋,Er^3＋核壳结构的纳米粒子。包覆后的纳米粒子的下转换效率明显提高,其原因是包覆减少了表面缺陷进而降低了表面激发能量的猝灭。" @default.
- W1539696951 created "2016-06-24" @default.
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- W1539696951 date "2012-01-01" @default.
- W1539696951 modified "2023-09-27" @default.
- W1539696951 title "Synthesis of Hexagonal NaYF4Nanoparticles and Its Particle Size Effect on Conversion Efficiency of Tb3+, Er3+Couples" @default.
- W1539696951 doi "https://doi.org/10.3788/fgxb20123310.1068" @default.
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