WebAug 10, 2024 · Upconverting nanoparticles (UCNPs) composed of NaYF 4 and doped with photoactive Yb 3+ and Er 3+ (NaYF 4:Yb/Er) are highly desirable for many biological … WebJan 3, 2024 · The δ-doped β-NaYF 4:Yb,Tm exhibits about a 13 times increase in the luminescence intensity than the bare β-NaYF 4:Yb,Tm due to the effective reduction of …
Full shell coating or cation exchange enhances luminescence
WebAug 3, 2015 · To investigate the UC luminescence properties of β-NaYF 4 synthesized with different molar ratios of KF to RE 3+, Yb 3+ /Er 3+ are selected as co-doped ion pairs to form β-NaYF:Yb 3+, Er 3 ... WebSynthesis of NaYF4, NaLuF4 and NaGdF4-based upconversion nanocrystals with hydro (solvo) ... NaLuF4:Yb/Tm, NaGdF4:Yb/Tm, NaYF4:Gd/Yb/Tm and NaYF4:Yb/Tm, respectively. This is the first time to systematically compare three kinds of host-based nanocrystals, which are prepared by two different approaches with various lanthanide ions doped. aldi dunnellon fl
Fabrication and characterization of up-converting β-NaYF4…
WebJun 19, 2015 · Fingerprints at crime scenes are usually latent. The powder-dusting method is the most commonly used procedure for developing latent fingerprints in forensic science. However, the traditional powder-dusting method has characteristics of low sensitivity, low contrast, high background noise, and high autofluorescence interference. To overcome … WebFeb 25, 2010 · Seed-mediated synthesis of NaY F4:Y b, Er/NaGdF4 nanocrystals with improved upconversion fluorescence and MR relaxivity. ... Yb,Er nanoparticles for in vitro … WebMar 1, 2015 · To fulfil this strategy, we have synthesised NaYF 4:Yb, Er NCs with an optimal doping concentration (18% Yb and 2% Er) and then assembled them into spherical SPs in … aldi dupe tia maria