基本的共识都是 beta-NaYF4 在热力学上是稳定的，并且在相同的合成条件下，生成 alfa-NaYF4 通过提高...
beta-NaYF4:Yb3+, Tm3+ @ TiO2 core-shell upconversion nanoparticles (UCNPs) were synthesized and incorporated into the TiO2 mesoporous layer of perovskite solar cells (PSCs). Changes of the upconversion spectra of the UCNPs suggest the existence of the electron injection from NaYF4:Yb3+, Tm3+ ...
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The structural and optical characteristics of beta-NaYF4: Yb3+, Er3+ NPs were obtained using X-ray diffraction (XRD), scanning electron microscopy (SEM), and fluorescence spectral measurements, respectively; the mechanism for the energy transfer has been suggested with emphasis on the optimized Er...
Beta-NaYF4The novel method of synthesis of the hexagonal modification beta-NaYF4 doped with Yb3+ (17at.%) and Er3+ (3at.%) using beta-cyclodextrin is proposed. Complex fluorides were prepared by decomposition of the mixture of metal fluoroacetates hydrates with and without addition of beta-...
Preparation method for carboxyl functionalized beta-NaYF4 substrate upconversion fluorescence nanomaterialdoi:CN102746848 B本发明公开了一种羧基功能化的β-NaYF4基质上转换荧光纳米材料的制备方法,包括以下步骤:(a)将5～15mmol的氟化铵固体溶解于溶剂中,得到溶液A;(b)称取总量为1.2mmol的稀土盐混合物,0.3～1.0g...
beta-NaYF4:Yb3+Er3+Oleate ligandsWe developed a facile approach for the fast syntheSongTongiiXiaoTongiiPingTongiiLiaoTongiiHuazhenTongiiWangTongiiDepingTongiiMaterials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization...
Facile synthesize of upconversion beta-NaYF4 capped with waterborne polyurethane prepolymer for packaging anti-counterfeitingUpconversion MaterialWaterborne Polyurethane PrepolymerWater DispersibilityWaterborneInksPackaging Anti-CounterfeitingDue to unique optical properties and high informatdoi:info:doi/10.1166/me...
MacDougall, S. K. W.; Ivaturi, A.; Marques-Hueso, J.; Kraemer, K. W.; Richards, B. S., Broadband Photoluminescent Quantum Yield Optimisation of Er3+-doped Beta-NaYF4 for Upconversion in Silicon Solar Cells. Sol. Energy Mater. Sol. Cells 2014, 128, 18-26....
Under single wavelength irradiation at 250 nm, intense multi-color downconversion emissions can be obtained by co-doping Ce3+, Gd3+ and X3+ (X = Eu, Tb and Dy) into the as-synthesized beta-NaYF4 crystals, in which Gd3+ plays an intermediate role in transferring the excitation energy from...