2022年3月8日 · In this study, NaYF 4:Yb,Er UCNPs, widely used for luminescence and photophysical studies, were modified with a set of four different coordinatively bound surface …

2022年10月20日 · Here, we report a strategy to expand the color-adjustable emission range by regulating the doping concentration of Yb 3+ in core@shell (C@S) upconversion nanoparticles …

2020年9月4日 · It has been shown that the coating of the β-NaYF 4:Er 3+,Yb 3+ core with NaYF 4 shell layer enables to enhance the green upconversion (UC) emission intensities in respect to …

2024年12月25日 · In this study, multifunctional NaYF 4:Er 3+,Yb 3+ @NaYF 4 core@shell nanoparticles (NPs) were synthesised, and the effect of shell sensitization on their …

2023年5月24日 · We have studied the process of IR to visible light upconversion using rare-earth ion doped micro-particles (NaYF 4:Yb,Er), which are one of the most efficient sensitizers and …

Upconversion core/shell nanocrystals with different mean sizes ranging from 15 to 45 nm were prepared via a modified synthesis procedure based on anhydrous rare-earth acetates.

通过 TEM 、 SEM 、 XRD 、 FTIR 、光纤光谱和 Zeta电位 等表征手段提出了多巴胺修饰NaYF4∶Yb，Er的作用机理，多巴胺通过与UCNPs表面的CTAB间的静电吸附作用粘附 …

摘要：染料敏化太阳能电池由于其低成本，易于制造，环境友好，转换效率高等优点而被视为硅基太阳能电池的替代者。然而，染料敏化太阳能电池效率的进一步提高却受到光谱适配效应的严 …

NaYF4:Yb,Er,Tb@NaYF4:Yb,Tb/NH2-MIL-88B (Fe)复合光催化剂的构建用于有效光催化降解抗生素 光催化是一种有效且稳健的降解水环境污染物的策略。 然而，由于抗生素的稳定性突出， …

Doping with Ce3+ ions also decreased the AR of the UCNRs from 2.80 to 1.27. In addition, highly transparent polymer composites for 3D volumetric displays were fabricated by blending high …