
上转换纳米材料NaYF4:Yb,Er在生物领域的应用 - 知乎
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在ucnps表面。并进一步通 …
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 …
mp-37267: NaYF4 (hexagonal, P-6, 174) - Materials Project
NaYF4 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate …
mp-34081: NaYF4 (tetragonal, I4_1/amd, 141) - Materials Project
NaYF4 is Fluorite-derived structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Na1+ is bonded in a body-centered cubic geometry to eight …
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 …
X-ray-charged bright persistent luminescence in NaYF4:Ln3+@NaYF4 …
2021年6月23日 · The NaYF4:Ln3+ nanoparticles with surface-passivated core–shell structures exhibit intense X-ray-charged PersL and narrow-band emissions tunable from 480 to 1060 nm.
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 …
NaYF4:Er3+,Yb3+/SiO2 Core/Shell Upconverting Nanocrystals for ...
2017年1月20日 · A spectroscopic study of NaYF4 powders doped with several different concns. of Er3+, Tm3+ and/or Yb3+ is described. Rare earth-doped NaYF4 is known to be a very efficient …
NaYF4:Yb/Tm上转换发光性质研究_北京卓立汉光仪器有限公司
采用北京卓立汉光自主研发生产的OmniFluo“卓谱”荧光寿命测量系统测试NaYF4:Yb/Tm的上转换荧光寿命,激发光源选用980nm固体激光器,激光器调制频率为50Hz,积分时间为1μs,测试发 …
NaYF4:Yb,Er/NaYF4 Core/Shell Nanocrystals with High …
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.