文章通过高温热分解法合成NaGdF_(4):Nd^(3+)@NaGdF_(4)核壳纳米晶。TEM照片显示合成的核壳纳米晶尺寸均一,分散性好,平均粒径约为18 nm。在800 nm激光的激发下,核壳纳米晶有三个特征发射峰,~900,~1050,~1350 nm,分别归属于Nd^(3+)的^(4)F_(3/2)到^(4)I_(J)(J=9/2,11/2,13/2)的跃迁...
Here monodisperse and biocompatible core shell nanoparticles, NaGdF4: Yb3+/Er3+@NaGdF4:Nd@sodium-gluconate (termed as GNa-Er@Nd), with about 26 nm in diameter were successfully prepared by a facile two step reactions in high boiling solvents, and followed a ligand exchange process with sodium...
We report a novel lanthanide-doped core–shell nanostructure NaYF4:Yb,Er@NaGdF4:Nd@SiO2-RB with a unique design feature that integrates luminescence imaging in biological window II, magnetic resonance imaging, and NIR-excited photodynami... F Xu,Y Zhao,M Hu,... - 《Chemical Communications》...
Sardar, J. Chaudhuri, "Mag- netic and optical properties of NaGdF4 :Nd3+, Yb3+, Tm3+ nanocrystals with upconversion/downconversion lumines- cence from visible to the near-infrared second window", Nano Res., 8 (2015) 636-648.Magnetic and optical properties of Na Gd F4:Nd3+,Yb3+,Tm3+...
Huang X. Dual-model upconversion luminescence from NaGdF4:Nd/Yb/Tm@ NaGdF4:Eu/Tb core-shell nanoparticles. J Alloy Comp 2015;628:240-4.Dual-model upconversion luminescence from NaGdF4:Nd/Yb/Tm@NaGdF4: Eu/Tb core-shell nanoparticles. X Y Huang. Journal of Alloys and Compounds . 2015X. ...
Core-shell upconversion nanoparticles of type NaGdF4:Yb,Er@NaGdF4:Nd,Yb and sensitized with a NIR dye are a viable probe for luminescence determination of the fraction of water in organic solventsUpconversion nanoparticlesDye sensitizationLuminescent probe...
In this contribution, NaYF4:Yb,Er@NaGdF4:Nd@SiO2 UCNPs and TiO2-HSs were synthesized and respectively applied as upconversion layers and scattering layers on the TiO2 photoanode of DSSCs. The influence of different doping ratios of UCNPs on cell performance was explored. The present results ...
Synthesis of Rare-Earth Nanomaterials Ag-Doped NaYF 4 :Yb 3 /Er 3 @NaYF 4 :Nd 3 @NaGdF 4 for In Vivo Imagingupconversionnear-infraredintensityin vivo imagingCONVERSIONTHERAPYIn this study. a novel near-infrared fluorescent-driven contrast agent (Ag-doped NaYF4:Yb3 /Er3 @NaYF4:Nd3 @NaGdF...
Nd^3+敏化多光子发射核壳结构二氧化硅采用溶剂热法成功制备了Nd^3+敏化的掺杂Ca^2+的NaYF^4∶Yb/Tm/Ca@NaGdF4∶Nd/Yb核-壳上转换纳米粒子。针对Tm^3+多光子过程中产生的蓝色及紫外上转换发光,研究了敏化剂Nd^3+、Yb^3+的含量以及激发功率等关键因素对荧光性能的影响,并用介孔二氧化硅(mSiO2)对其表面进行...