solvothermal synthesis of lanthanideâ doped nayf 4
One-step synthesis of amino-functionalized up-converting
Monodisperse hydrophilic and biocompatible NaYF 4 Yb Er UCNPs were synthesized in situ using chitosan-assisted solvothermal synthesis. Spherical particles sized around 120 nm contain a single crystal structure of a cubic α phase (Fm -3 m) and emit intense orange light
Get PriceSynthesis of colour tunable lanthanide-ion doped NaYF 4
Synthesis of colour tunable lanthanide-ion doped NaYF 4 upconversion nanoparticles by controlling temperature A simple and general method is reported to tune the multicolour output of lanthanide-ion doped NaYF 4 upconversion nanoparticles within a given composition by controlling the reaction temperature in the thermolysis procedure.
Get PriceSurface Modification Chemistry of Lanthanide-Doped
Aug 27 2013 · Wang M Liu JL Zhang YX et al (2009) Two-phase solvothermal synthesis of rare-earth doped NaYF 4 upconversion fluorescent nanocrystals.
Get PriceRare-Earth-Ion-Doped Hexagonal-Phase NaYF 4 Nanowires
Rare-earth-ion-doped hexagonal-phase NaYF 4 nanowires were hydrothermally synthesized at the cooperative effect of sodium citrate with AOT on a large scale. As-synthesized nanowires have a uniform size with several micrometers in length and ca. 100 nm in diameter.
Get PriceNovel Microwave-Assisted Solvothermal Synthesis of NaYF 4
This work reports the novel microwave-assisted solvothermal synthesis and structural topographic spectroscopic characterization of NaYF 4 Yb Er upconversion nanoparticles (UCNPs) as well as their application in the labeling of HeLa cells.
Get PriceRecent progress in the development of upconversion
Oct 29 2020 · Wang M Liu JL Zhang YX Hou W Wu XL Xu SK. Two-phase solvothermal synthesis of rare-earth doped NaYF 4 upconversion fluorescent nanocrystals. Mater Lett. 200963 325–7. CAS Article Google Scholar 65.
Get PriceGrowth of β-NaYF4 Eu3 Crystals by the Solvothermal Method
Lanthanide-doped hexagonal β-NaYF 4 crystals have received much attention in recent years due to their excellent photoluminescence properties. However lanthanide-doped β-NaYF 4 crystals with micron and submicron scales as well as uniform morphology have received less attention. In this study Eu 3 -doped β-NaYF 4 (β-NaYF 4 Eu 3 ) crystals of micron and submicron size scales were
Get PriceOne-step synthesis of amino-functionalized up-converting
Monodisperse hydrophilic and biocompatible NaYF 4 Yb Er UCNPs were synthesized in situ using chitosan-assisted solvothermal synthesis. Spherical particles sized around 120 nm contain a single crystal structure of a cubic α phase (Fm -3 m) and emit intense orange light
Get PriceNaYF 4 Microstructure beyond Their Well-Shaped Morphology
1. Introduction. The lanthanide doped NaYF 4 nanoparticles (NPs) are a unique class of luminescent nanoparticles that focus increasing attention due to their efficient up-conversion properties and the ability through colloid chemistry to nicely play on a variety of shapes 1 2 3 length 4 and doping 5 .
Get PriceControllable Phase Transformation and Mid-infrared
The MIR emission spectrum of Er 3 ions doped β-NaYF 4 NCs is shown in Fig. 1(e).Under 976 nm laser diode (LD) pumping an obvious MIR emission peak at 2.75 μm attributed to the Er 3 4 I 11/2 → 4 I 13/2 transition is observed in β-NaYF 4 NCs. However the existence of organic ligands such as OH − etc. (Supplementary Fig. S6) which have a strong absorption at around 3 μm can
Get PriceTwo-phase solvothermal synthesis of rare-earth doped NaYF
Jan 31 2009 · Abstract The synthesis characterization and fluorescent spectra of rare-earth doped NaYF 4 upconversion nanocrystals are introduced in this paper. The nanocrystals were synthesized in the water-ethanol-oleic acid system via a two-phase solvothermal approach by using rare-earth stearate as the precursor.
Get PriceA User-Friendly Method for Synthesizing High-Quality Yb
To date lanthanide-doped NaYF 4 NCs are prepared mainly via colloidal chemistry routes including coprecipitation thermal decomposition hydrothermal or solvothermal synthesis and sol-gel processing 4 5 21–24 .
Get PriceControlled Synthesis and Luminescence of Lanthanide Doped
Controlled Synthesis and Luminescence of Lanthanide Doped NaYF4 Nanocrystals Chemistry of Materials A range of nearly monodispersed NaYF4 single-crystal nanorods hexagonal nanoplates and nanoparticles have been successfully prepared via a facile wet chemical technology. Varying the dopants leads to different luminescence.
Get PriceSolvothermal Synthesis of Lanthanide‐doped NaYF 4
Dec 10 2020 · In this work we describe the synthesis of hydrophilic lanthanide‐doped NaYF 4 crystals with controllable size and morphology via the solvothermal method using disodium nitrilotriacetate (DSNTA) as the ligand and their subsequent characterization with respect to structure and optical performance.
Get PriceA User-Friendly Method for Synthesizing High-Quality Yb
To date lanthanide-doped NaYF 4 NCs are prepared mainly via colloidal chemistry routes including coprecipitation thermal decomposition hydrothermal or solvothermal synthesis and sol-gel processing 4 5 21–24 .
Get PriceA new solvothermal method for the synthesis of size
First published on 27th July 2018. Ce 3 -doped Y 3 Al 5 O 12 (YAG Ce) nanocrystals were synthesized by a unique solvothermal method under sub-critical conditions. A home-made autoclave was used operating in a larger pressure and temperature range than that with conventional commercial equipment and allowing direct in situ photoluminescence (PL) and X-ray absorption characterizations.
Get PriceTwo-phase solvothermal synthesis of rare-earth doped NaYF4
26 28 Similar phase transition effect was achieved by introducing Fe 3 into NaYF 4 Yb Er in the range of 5-20 mol during oleic acid assisted hydrothermal synthesis. 29 Considering un-doped
Get PriceNaYF 4 Microstructure beyond Their Well-Shaped Morphology
1. Introduction. The lanthanide doped NaYF 4 nanoparticles (NPs) are a unique class of luminescent nanoparticles that focus increasing attention due to their efficient up-conversion properties and the ability through colloid chemistry to nicely play on a variety of shapes 1 2 3 length 4 and doping 5 .
Get PriceSurface Modification Chemistry of Lanthanide-Doped
Aug 27 2013 · Wang M Liu JL Zhang YX et al (2009) Two-phase solvothermal synthesis of rare-earth doped NaYF 4 upconversion fluorescent nanocrystals.
Get Pricedoi 10.7150/thno.5289 Review Multifunctional Upconversion
drothermal (solvothermal) synthesis sol–gel pro-cessing and combustion synthesis and so on. As a nanorattles consisting of hydrophilic rare -earth doped NaYF. 4. shells each containing a loose magnetic nano-particle through an ion-exchange process (Figure 1) 66 . The inner magnetic Fe. 3. O. 4.
Get PriceMultifunctional Upconversion-Magnetic Hybrid
21. Wei Y Lu FQ Zhang XR Chen D. Polyol-mediated synthesis and luminescence of lanthanide-doped NaYF 4 nanocrystal upconversion phosphors. J Alloys Compd. 376-84 22. Wang L Li Y. Controlled Synthesis and Luminescence of Lanthanide Doped NaYF 4 Nanocrystals. Chem Mater. 200719 727-34 23.
Get PriceComparison of Two Strategies for the Synthesis of
2.2.2 Solvothermal synthesis of NaYF4 Yb Er nanoparticles NaYF 4 Yb Er nanoparticles were synthesized following this protocol Rare earth chlorides solution (0.5 mol/L) were prepared by dissolving the corresponding oxides in 10 hydrochloric solution.
Get PriceComparison of Two Strategies for the Synthesis of
2.2.2 Solvothermal synthesis of NaYF4 Yb Er nanoparticles NaYF 4 Yb Er nanoparticles were synthesized following this protocol Rare earth chlorides solution (0.5 mol/L) were prepared by dissolving the corresponding oxides in 10 hydrochloric solution.
Get PricePolyol-mediated synthesis and luminescence of lanthanide
NaYF 4 -based mesocrystals were fabricated via solvothermal treatment of Na Y 3 and BminPF 6 in the presence of viscous polyol-like diethylcol or 1 2-ethanediol.
Get PriceRare-Earth-Ion-Doped Hexagonal-Phase NaYF 4 Nanowires
Rare-earth-ion-doped hexagonal-phase NaYF 4 nanowires were hydrothermally synthesized at the cooperative effect of sodium citrate with AOT on a large scale. As-synthesized nanowires have a uniform size with several micrometers in length and ca. 100 nm in diameter.
Get PriceNovel Microwave-Assisted Solvothermal Synthesis of NaYF4
This work reports the novel microwave-assisted solvothermal synthesis and structural topographic spectroscopic characterization of NaYF 4 Yb Er upconversion nanoparticles (UCNPs) as well as their application in the labeling of HeLa cells.
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