Synthesis of Yb3+, Ho3+ and Tm3+ co-doped β-NaYF4 nanoparticles by sol–gel method and the multi-color upconversion luminescence properties
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-6967-6
Abstract: Well-crystalline β-NaYF4:Yb3+, Ho3+, Tm3+ nanoparticles were synthesized by sol–gel method using isopropyl alcohol [(CH3)2CHOH] as a complexing agent. The samples were characterized by X-ray diffraction, scanning electron microscopic analysis and fluorescence spectrum analysis methods. Under… read more here.
Keywords: color; ho3 tm3; ho3; tm3 ... See more keywords
Synthesis and Luminescence Properties of Ho3+ and Er3+-Doped CaWO4 Nanocrystalline Powders Prepared by Self-Propagating Combustion Method
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DOI: 10.1007/s10895-020-02507-0
Abstract: Nanocrystalline Er3+-doped CaWO4 (CaWO4:Er3+) and Ho3+-doped CaWO4 (CaWO4:Ho3+) powders were fabricated by a facile sol-gel self-propagating combustion method using glycin as reductant. The components, microstructure and luminescence properties of samples were studied in detail. The… read more here.
Keywords: er3; cawo4; ho3; doped cawo4 ... See more keywords
Eu3+- and Ho3+-doped Ba3Al2O6- and MgAl2O4-type phosphors and their photoluminescent properties
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-017-6786-2
Abstract: The aluminate hosts were basically activated with the Eu3+- and Ho3+-ions which were prepared by solid-state reaction in this study. The DTA/TG results were used as a reference for the heat treatments of the samples.… read more here.
Keywords: ba3al2o6 mgal2o4; mgal2o4 type; ho3 doped; ho3 ... See more keywords
Hydrothermal Synthesis and Up-Conversion Luminescence of Yb3+/Ho3+ Co-doped Y6WO12 Nanocrystals
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DOI: 10.1007/s11664-017-5543-4
Abstract: Yb3+/Ho3+ co-doped Y6WO12 nanocrystals with different concentrations of Ho3+ ions have been synthesized through a facile hydrothermal method followed by a subsequent heat treatment. The nanostructures, morphologies, and up-conversion luminescent properties of the as-prepared Y6WO12:Yb3+/Ho3+… read more here.
Keywords: doped y6wo12; ho3 doped; conversion; ho3 ... See more keywords
Correlation between the crystal structure and upconversion emission of Ho3+ in AHfO3 (A = Ca, Sr, and Ba)
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the Korean Physical Society"
DOI: 10.1007/s40042-020-00040-8
Abstract: We investigated the substitution-site dependence of the emission properties of the Ho3+ and the Yb3+ co-doped AHfO3 (A = Ca, Sr, and Ba) perovskite series using ultraviolet (UV) and near-infrared (NIR) photoexcitation. We measured the X-ray diffraction… read more here.
Keywords: ho3; site; emission; upconversion emission ... See more keywords
Optical temperature sensing behavior for KLa(MoO4)2:Ho3+/Yb3+ phosphors based on fluorescence intensity ratios
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DOI: 10.1016/j.ijleo.2019.164100
Abstract: Abstract KLa(MoO4)2:Yb3+/Ho3+ phosphors were synthesized using hydrothermal method. The phosphors showed intense green (∼546 nm) and weak red emissions (∼651 nm, ∼756 nm) by 980 nm excitation. Temperature-dependent fluorescence intensity ratios (FIRs) are analyzed. The… read more here.
Keywords: intensity ratios; temperature; fluorescence intensity; ho3 ... See more keywords
Luminescence features of green-emitting CaLa4Si3O13:Ho3+ phosphors
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DOI: 10.1016/j.ijleo.2020.164284
Abstract: Abstract In this work, the structural and luminescence properties of a series of CaLa4-xSi3O13:xHo3+ (0.01 ≤ x ≤ 0.11) phosphors prepared by conventional sol-gel technique are reported. The hexagonal phase of the samples was analyzed through X-ray diffraction (XRD).… read more here.
Keywords: xsi3o13 xho3; xho3 phosphors; cala3 97si3o13; ho3 ... See more keywords
Effect of Ho3+ and Tm3+ concentration on UV-VIS-NIR and upconversion luminescence in Ho:Tm:LiNbO3 crystals
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DOI: 10.1016/j.jallcom.2018.08.287
Abstract: Abstract Ho:Tm:LiNbO3 crystals with x mol% Ho3+ ions and y mol% Tm3+ ions (x = 0.1, 0.2, 0.25 and 0.3, y = 1, 2, 2.5 and 3) were grown by the Czochralski method. The influence of Ho3+ ions and… read more here.
Keywords: ho3; linbo3 crystals; tm3; tm3 ions ... See more keywords
Enhanced mid-infrared emissions of Ho3+/Er3+ co-doped Na5Y9F32 single crystal by introduction of Pr3+ ions
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.153987
Abstract: Abstract The Na5Y9F32 fluoride single crystals tri-doped with ∼1 mol% Ho3+/∼1 mol% Er3+, and various concentrations of Pr3+ (0, 0.5, 0.8 and 1.0 mol%) were successfully grown by a modified Bridgman method. The absorption, Raman, emission spectra and… read more here.
Keywords: pr3; er3; ho3 er3; ho3 ... See more keywords
Enhanced luminescence and photocatalytic activity of Bi2O3:Ho3+ needles
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DOI: 10.1016/j.jallcom.2020.155641
Abstract: Abstract A series of Bi2O3:Ho3+ (0.2–5 mol% Ho) phosphors with a crystalline monoclinic phase was synthesized using a co-precipitation route. The particle morphology and size were determined using a field emission scanning electron microscope (FESEM). The… read more here.
Keywords: bi2o3 ho3; luminescence photocatalytic; ho3; enhanced luminescence ... See more keywords
Crystallization behavior and up-conversion optical characteristics based on NaZnPO4: Yb3+/Tb3+/Ho3+ nanocrystals embedded in glass matrix
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.161344
Abstract: Abstract Yb3+/Tb3+/Ho3+ tri-doped transparent glass ceramic (GC) embracing orthorhombic NaZnPO4 nano-particles was triumphantly prepared on the basis of melting quenching and pursuant controllable crystallization approach. The NaZnPO4 nano-crystals were identified by XRD and TEM. The… read more here.
Keywords: ho3; tb3 ho3; yb3 tb3; tb3 ... See more keywords