La2O2CN2:Yb3+/Tm3+ nanofibers and nanobelts: novel fabrication technique, structure and upconversion luminescence
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-7534-x
Abstract: For the first time, La2O2CN2:Yb3+/Tm3+ upconversion luminescence nanofibers and nanobelts were successfully fabricated via cyanamidation of the respective relevant La2O3:Yb3+/Tm3+ nanofibers and nanobelts which were obtained by calcining the electrospinning made PVP/[La(NO3)3+Yb(NO3)3+Tm(NO3)3] composite nanofibers and… read more here.
Keywords: tm3 nanofibers; nanofibers nanobelts; yb3 tm3; la2o2cn2 yb3 ... See more keywords
Enhanced Up-Conversion Emission in Al3+ Co-Doped ZnGa2O4:Yb3+,Tm3+ Powder Phosphors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluorescence"
DOI: 10.1007/s10895-018-2242-3
Abstract: Yb3+-Tm3+ co-doped up-conversion powder phosphors using Zn(AlxGa1-x)2O4 (ZAGO) as the host materials were synthesized via solid-state reaction successfully. In addition, the morphology, structural characterization and up-conversion luminescent properties were all investigated by scanning electron microscope… read more here.
Keywords: conversion; yb3 tm3; powder phosphors; tm3 ... See more keywords
Synthesis and up-conversion emissions of $$\hbox {Yb}^{3+}{/}\hbox {Er}^{3+}$$Yb3+/Er3+, $$\hbox {Yb}^{3+}{/}\hbox {Tm}^{3+}$$Yb3+/Tm3+ and $$\hbox {Yb}^{3+}{/}\hbox {Tm}^{3+}{/}\hbox {Gd}^{3+}$$Yb3+/Tm3+/Gd3+ co-doped $$\hbox {KLu}_{2}\hbox {F}_{7}$$KLu2F7
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of Materials Science"
DOI: 10.1007/s12034-017-1483-0
Abstract: Abstract$$\hbox {Yb}^{3+}/\hbox {Er}^{3+}$$Yb3+/Er3+, $$\hbox {Yb}^{3+}/\hbox {Tm}^{3+}$$Yb3+/Tm3+, or $$\hbox {Yb}^{3+}/\hbox {Tm}^{3+}/\hbox {Gd}^{3+}$$Yb3+/Tm3+/Gd3+ co-doped $$\hbox {KLu}_{2}\hbox {F}_{7}$$KLu2F7 up-conversion (UC) materials were synthesized through a hydrothermal method or an additive-assisted hydrothermal method. The X-ray diffraction (XRD) results suggested… read more here.
Keywords: hbox hbox; yb3 tm3; hbox; hbox yb3 ... See more keywords
Synthesis and luminescence properties of Yb3+, Tm3+ and Ho3+ co-doped SrGd2(WO4)2(MoO4)2 nano-crystal
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DOI: 10.1016/j.apt.2019.12.016
Abstract: Abstract Novel up-conversion luminescent SrGd2(WO4)2(MoO4)2: Yb3+/Tm3+/Ho3+ nano-crystals were synthesized by hydrothermal method. The composition ratio of rare earth had been investigated. It indicated that when CYb3+ = 10 mol% and CYb3+/CTm3+/CHo3+ = 10:1.5:2, the emission intensities were the highest. X-ray… read more here.
Keywords: srgd2 wo4; yb3 tm3; wo4 moo4; tm3 ho3 ... See more keywords
Efficient near-infrared photocatalysts based on NaYF4:Yb3+,Tm3+@NaYF4:Yb3+,Nd3+@TiO2 core@shell nanoparticles
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.12.174
Abstract: Abstract In this work, we fabricated NaYF4:Yb3+,Tm3+@NaYF4:Yb3+,Nd3+@TiO2 (Tm@Nd@TiO2) core@shell nanoparticles and investigated their near-infrared (NIR) photocatalytic activities. Comparing to traditional TiO2 based upconversion (UC) photocatalysts (i.e., NaYF4:Yb3+,Tm3+@TiO2, named Tm@TiO2), Tm@Nd@TiO2 exhibits enhanced photocatalytic activity under… read more here.
Keywords: yb3 tm3; nayf4 yb3; photocatalytic activity; tio2 ... See more keywords
Upconverting CeO2: Yb3+/Tm3+ hollow nanospheres for photo-thermal sterilization and deep-tissue imaging in the first biological window
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.07.202
Abstract: Abstract The up-conversion emissions falling within the first biological window (NIR-I, 650–1000 nm) are very important in deep tissue imaging due to their large penetration depths. Herein, the hollow-structured CeO2: Yb3+/Tm3+ nanospheres with red and near-infrared… read more here.
Keywords: tissue imaging; yb3 tm3; ceo2 yb3; deep tissue ... See more keywords
Dual-mode blue emission, enhanced up-conversion luminescence and paramagnetic properties of ytterbium and thulium-doped Ba2GdF7 multifunctional nanophosphors.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2017.04.066
Abstract: A series of Ba2GdF7:Yb3+, Tm3+ nanophosphors (NPs) with dual-mode (down-conversion (DC) and upconversion (UC)) luminescence were successfully prepared by hydrothermal method at 180°C. The NPs have sphere-like morphology and cubic structure. Under the excitation of… read more here.
Keywords: dual mode; mode; doped ba2gdf7; conversion ... See more keywords
Blue upconversion luminescence for Yb 3+ /Tm 3+ co-doped borosilicate glasses
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2017.11.035
Abstract: Abstract A new kind of Yb3+/Tm3+ co-doped blue-emitting borosilicate glass was prepared by melting and quenching process. The Judd–Ofelt intensity parameters were calculated and discussed according to the recorded absorption spectrum. Strong blue upconversion emissions… read more here.
Keywords: doped borosilicate; yb3 tm3; blue upconversion; luminescence ... See more keywords
Synthesis and up-conversion luminescence properties of a novel K3ScF6: Yb3+, Tm3+ material with cryolite structure
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117285
Abstract: Abstract In this paper, K3ScF6:Yb3+, Tm3+ phosphor with a cubic cryolite phase were prepared by means of high-temperature solid-state method. The crystal structure and up-conversion luminescence properties of Tm3+ and Yb3+ co-doped K3ScF6 were investigated… read more here.
Keywords: tm3 yb3; yb3 tm3; k3scf6 yb3; spectroscopy ... See more keywords
Characterization and multicolor upconversion emission properties of BaMoO4: Yb3+, Ln3+ (Ln = Tm, Ho, Tm/Ho) microcrystals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Solid State Chemistry"
DOI: 10.1016/j.jssc.2019.01.033
Abstract: Abstract Hydrothermal process was employed to synthesize the Yb3+/Tm3+, Yb3+/Ho3+ and Yb3+/Tm3+/Ho3+ doped BaMoO4 octahedron microcrystals (0.50–5.0 µm). The synthesized phosphors have scheelite tetragonal structure. The elemental mapping suggests the uniform distribution of elements in the… read more here.
Keywords: ho3; yb3 tm3; emission; tm3 ho3 ... See more keywords
Effect of NaOH concentration on the 805 nm emission of NaYF4:Yb3+, Tm3+ phosphors synthesized by a pressure -assisted hydrothermal method
Sign Up to like & getrecommendations! Published in 2019 at "Materials Research Bulletin"
DOI: 10.1016/j.materresbull.2019.110531
Abstract: Abstract In this work, Yb3+, Tm3+ co-doped NaYF4 powders with several morphologies (spheres, micro-needles, and microrods) were successfully synthesized by varying the NaOH concentration from 0 to 2 M. The synthesis was carried out with pressure-assisted… read more here.
Keywords: yb3 tm3; emission; nayf4; naoh concentration ... See more keywords