
厦大《Light》(IF17.782):发光材料领域取得重要进展! - 知乎
NaYF4:Ln3+的巨大和持续的兴趣主要来自其卓越的上转换特性,包括单个纳米颗粒的最高上转换效率、通过能量转移工程实现的出色波长可调性以及优异的辐射稳定性和热暴露。 因 …
Synthesis and spectroscopic analysis of Ce3+ and Gd3+-doped NaYF4…
3 天之前 · A new method of synthesis for NaYF4 is reported. The method involves highly exothermic solid-state metathesis reaction between metal chlorides and NaF. The synthesis is …
Stability, dissolution, and cytotoxicity of NaYF4-upconversion ...
2022年3月8日 · NaYF 4 is one of the most widely used host lattices for UCNPs and is generally considered to yield the most efficient inorganic upconverting crystalline materials 7 with …
NaYF4 Microstructure, beyond Their Well-Shaped Morphology
NaYF 4, which is the emblematic compound for up-conversion, is known to exist in two different polymorphs: cubic -NaYF 4 and hexagonal -NaYF 4. The impact of the host crystal on optical …
别传递给Tb3+,Tm3+ 来实现能级之间的跃迁发光. NaYF4:Yb3+/Tb3+ 双掺杂氟化物材料在980 nm 激发下发射出蓝光(481 nm),绿光 (541 nm)以及红光(668 nm),分别对应5D4→7F6、5D4→7F5 …
β-NaYF4 and β-NaYF4:Eu3+ Microstructures: Morphology Control …
2009年1月20日 · β-NaYF 4 hexagonal microprisms and microrods with different aspect ratios have been prepared via a simple hydrothermal route. X-ray diffraction (XRD), scanning …
具有强紫外上转换发射特性的小尺寸、水溶性 …
2020年8月12日 · 利用高温热解法合成了小尺寸、粒径均匀分布的NaYF4∶18%Yb,0.5%Tm纳米晶,并通过配体交换的方法实现了纳米晶油溶性向水溶性的转变。 通过X射线衍射仪、透射电子 …
Different Microstructures of β-NaYF4 Fabricated by Hydrothermal …
2007年9月1日 · β-NaYF 4 microcrystals with a variety of morphologies, such as microrod, hexagonal microprism, and octadecahedron, have been synthesized via a facile hydrothermal …
水溶性NaYF<sub>4</sub>: Yb, Er上转换发光纳米粒子的可控合成与发光性能研究
摘要:采用溶剂热法合成出尺寸小于30 nm的NaYF 4:Yb, Er上转换纳米晶,用柠檬酸 (CA)做表面活性剂使得产物具有良好的水溶性. 实验探索得出NaOH或者CA的加入量能够调节溶液中能与 …
Structural, morphology and optical properties of NaYF4 thin
2019年1月29日 · NaYF4 and NaYF4:Ln3+ (Ln3+ = Nd3+, Eu3+, Yb3+, Er3+) thin films were prepared by electrodeposition technique. After deposition, all samples were thermally …