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   Articles with "ytterbium" as a keyword



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Effect of ytterbium doping concentration on structural, optical and photocatalytic properties of TiO2 thin films

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recommendations! Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.08.141

Abstract: Abstract Ytterbium (Yb) doped TiO 2 thin films have been synthesized by sol-gel spin-coating technique. Films with different Yb concentrations such as 0.5, 1, 2, 4 wt% were deposited and the impact of the dopant concentration… read more here.

Keywords: ytterbium; thin films; effect ytterbium; spectroscopy ... See more keywords
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Development of a natural polymeric bioadsorbent based on sericin, alginate and poly(vinyl alcohol) for the recovery of ytterbium from aqueous solutions

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recommendations! Published in 2021 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2020.123555

Abstract: Abstract The recovery of rare-earth elements (REEs) from wastewater is extremely important because of its different industrial applications and high market prices. The recovery of these metals in secondary sources is of high environmental and… read more here.

Keywords: recovery; ytterbium; bioadsorption; vinyl alcohol ... See more keywords
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Calcination of ytterbia aerogels leads to ferromagnetic nanoporous ytterbium oxide networks

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recommendations! Published in 2020 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.126866

Abstract: Abstract Ytterbium oxide wet gels are synthesized with the dual assistant effects of propylene oxide and citric acid and processed to ytterbium oxide aerogels by supercritical drying. The nanoporous cubic Yb2O3 networks with about 10 nm… read more here.

Keywords: ytterbium oxide; ytterbium; leads ferromagnetic; ytterbia aerogels ... See more keywords
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Mode-locked ytterbium-doped all-fiber lasers based on few-layer black phosphorus saturable absorbers

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recommendations! Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2017.01.016

Abstract: Abstract In this paper, we demonstrated ytterbium-doped mode-locked fiber lasers based on saturable absorbers (SAs) made of few-layer black phosphorus (BP) with all normal dispersion. The few-layer BP was prepared with the liquid phase exfoliation… read more here.

Keywords: mode locked; ytterbium; lasers based; fiber lasers ... See more keywords
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Solvent-Dependent Sensitization of Ytterbium and Neodymium via an Intramolecular Excimer.

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recommendations! Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b02709

Abstract: We report the synthesis of a di(1-pyrenyl)phosphoryl acetophenone ligand containing two pyrenyl moieties linked by a single phosphorus atom. The ligand exhibits solvent-dependent emission: in nonpolar solvents, typical monomeric pyrene emission is observed, whereas in… read more here.

Keywords: ytterbium; solvent dependent; intramolecular excimer; neodymium ... See more keywords
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HHG at the Carbon K-Edge Directly Driven by SRS Red-Shifted Pulses from an Ytterbium Amplifier

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recommendations! Published in 2022 at "ACS Photonics"

DOI: 10.1021/acsphotonics.2c01021

Abstract: In this work, we introduce a simplified approach to efficiently extend the high harmonic generation (HHG) cutoff in gases without the need for laser frequency conversion via parametric processes. Instead, we employ postcompression and red-shifting… read more here.

Keywords: carbon edge; ytterbium; driven srs;
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Reduced Graphene Oxide-Silver Nanoparticles for Optical Pulse Generation in Ytterbium- and Erbium-Doped Fiber Lasers

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recommendations! Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-66253-w

Abstract: This work has demonstrated the potential of a reduced graphene oxide silver/polyvinyl alcohol (rGO-Ag/PVA) film as a saturable absorber (SA) in ytterbium and erbium based Q-switched optical fiber lasers. The facile hydrothermal method was used… read more here.

Keywords: graphene oxide; ytterbium; fiber; erbium ... See more keywords
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Molecular hydrides of divalent ytterbium supported by a macrocyclic ligand: synthesis, structure and olefin hydrofunctionalization catalysis.

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recommendations! Published in 2018 at "Chemical communications"

DOI: 10.1039/c8cc05152f

Abstract: Bis(triphenylsilyl) and dibenzyl ytterbium(ii) complexes supported by the macrocyclic polyamine ligand Me4TACD (1,4,7,10-tetramethyl-1,4,7,10-tetraazacyclododecane) reacted with H2 to give the cationic ytterbium hydrides [(Me4TACD)2Yb2(μ2-H)(2+n)](2-n)+ (n = 0, 1). The hydrides catalyzed the H2/D2 isotope exchange as… read more here.

Keywords: ytterbium; hydrides divalent; supported macrocyclic; divalent ytterbium ... See more keywords
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A near-IR luminescent ratiometric ytterbium pH probe.

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recommendations! Published in 2019 at "Dalton transactions"

DOI: 10.1039/c9dt00411d

Abstract: The hypersensitive 2F5/2 to 2F7/2 transition of Yb3+ can be used to monitor perturbations of the coordination sphere in ytterbium(iii) complexes. An envelope of Stark components gives rise to a relatively broad and asymmetric emission… read more here.

Keywords: ytterbium; ytterbium probe; luminescent ratiometric; ratiometric ytterbium ... See more keywords

CO, CO2 and CS2 activation by divalent ytterbium hydrido complexes.

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recommendations! Published in 2022 at "Chemical communications"

DOI: 10.1039/d1cc06449e

Abstract: Treatment of a divalent ytterbium hydride complex [(TpAd,iPr)Yb(H)(THF)] (TpAd,iPr = hydrotris(3-adamantyl-5-isopropyl-pyrazolyl)borate) (1) with CO, CO2 and CS2 resulted in the formation of a divalent ytterbium ethenediolate complex [(TpAd,iPr)Yb]2(cis-OCHCHO) (2), a formate complex [(TpAd,iPr)Yb(κ2-O2CH)(THF)] (3), and… read more here.

Keywords: tpad ipr; divalent ytterbium; ytterbium;
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Potential precursors for terminal ytterbium(II) imide complexes bearing the hydrotris(3-tert-butyl-5-methylpyrazolyl)borato ligand.

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recommendations! Published in 2023 at "Dalton transactions"

DOI: 10.1039/d3dt00861d

Abstract: Monomeric, divalent ytterbium primary amides TptBu,MeYb(NHR)(thf)x (R = C6H3iPr2-2,6 = AriPr = Dipp, C6H3(CF3)2-3,5 = ArCF3, SiPh3) supported by the bulky hydrotris(3-tBu-5-Me-pyrazolyl)borato scorpionate ligand are synthesized acccording to salt metathesis and protonolysis protocols, respectively. Yb(II)… read more here.

Keywords: thf; tptbu meyb; meyb nhr; ytterbium ... See more keywords