Articles with "tri doped" as a keyword



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Efficient photocatalytic removal of aqueous Cr(VI) by N-F-Al tri-doped TiO2

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Published in 2017 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-017-0161-7

Abstract: As chromium is a common heavy metal contaminant in water, we have prepared N-F-Al tri-doped TiO2 catalyst for Cr(VI) removal under visible light. The sample was prepared via a sol-gel method and was characterized by… read more here.

Keywords: removal; photocatalytic removal; doped tio2; efficient photocatalytic ... See more keywords
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Tri(Fe/N/F)-doped mesoporous carbons as efficient electrocatalysts for the oxygen reduction reaction

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.05.095

Abstract: Abstract In recent years, advanced designs of non-precious electrocatalysts, such as those with transition metals and heteroatoms into iron‑nitrogen-doped mesoporous carbon, have been actively studied to replace precious-metal electrocatalysts for oxygen reduction reaction (ORR), which… read more here.

Keywords: oxygen reduction; doped mesoporous; tri doped; reduction reaction ... See more keywords

Chromium, fluorine and nitrogen tri-doped graphene sheets as an active electrode material for symmetric supercapacitors

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Published in 2020 at "Diamond and Related Materials"

DOI: 10.1016/j.diamond.2020.107800

Abstract: Abstract The tri-doped (chromium, fluorine and nitrogen) graphene sheets (CFNG) have been prepared using quinolinium fluorochromate (QFC) as the single and novel source. Graphene oxide (GO) and CFNG were synthesized by modified Hummers method and… read more here.

Keywords: cfng; graphene sheets; active electrode; fluorine nitrogen ... See more keywords
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Structural, electrical and thermal expansion studies of tri-doped ceria electrolyte materials for IT-SOFCs

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2017.05.022

Abstract: Abstract Nano crystalline tri-doped ceria Ce 1–x (Pr 1/3 Sm 1/3 Gd 1/3 ) x O 2-δ (x = 0.00, 0.06, 0.12, 0.18, 0.24 and 0.30) solid electrolyte materials for intermediate temperature solid oxide fuel cells (IT-SOFCs)… read more here.

Keywords: doped ceria; electrolyte materials; spectroscopy; thermal expansion ... See more keywords
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Tri-doped ceria (M0.2Ce0.8O2-δ, M= Sm0.1, Ca0.05, Gd0.05) electrolyte for hydrogen and ethanol-based fuel cells

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Published in 2019 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.09.201

Abstract: In recent scientific research, an interest has been gained significantly by rare earth metals such as cerium (Ce), samarium (Sm) and gadolinium (Gd) due to their use in fuel cells as electrolyte and catalysts. When… read more here.

Keywords: spectroscopy; fuel; ceria 2ce0; tri doped ... See more keywords
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White light upconversion emission and color tunability in Er3+/Tm3+/Yb3+ tri-doped YNbO4 phosphor

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Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.08.079

Abstract: Abstract Er3+/Tm3+/Yb3+ tri-doped YNO phosphors were obtained by the solid-state reaction method. X-ray diffraction, Raman spectroscopy, and FE-SEM were employed for characterization of the materials, and no significant structural changes have been noticed. The materials… read more here.

Keywords: er3 tm3; tm3; tri doped; tm3 yb3 ... See more keywords
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Broadband flat near-infrared emission and energy transfer of Pr3+–Er3+–Yb3+ tri-doped niobate tellurite glasses

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Published in 2020 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2020.120335

Abstract: Abstract The near-infrared (NIR) emission and energy transfer (ET) of Pr3+–Er3+–Yb3+ tri-doped in TeO2–Nb2O5–BaO–La2O3 niobate tellurite glasses under the excitation of a 980 nm laser diode (LD) were investigated. A broadband flat NIR emission of Pr3+–Er3+–Yb3+… read more here.

Keywords: er3; pr3 er3; yb3 tri; tri doped ... See more keywords
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Improvement of ultra-broadband near-infrared emission at around 1.0 µm in Nd3+-Er3+-Pr3+ tri-doped tellurite glasses

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Published in 2020 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2020.120511

Abstract: Abstract Nd3+-Er3+-Pr3+ tri-doped tellurite glasses with lower phonon energy (768 cm−1) were prepared by conventional melt-quenching method. Under the excitation of 488nm, an ultra-broadband emission from 760 to 1150 nm with full-width at half-maximum (FWHM)… read more here.

Keywords: er3; nd3 er3; pr3 tri; er3 pr3 ... See more keywords
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Promising light converting BaMoO4:Er3+-Tm3+-Yb3+ phosphors for display and optical temperature sensing

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Published in 2018 at "Journal of Rare Earths"

DOI: 10.1016/j.jre.2018.03.034

Abstract: Abstract Er3+-Tm3+-Yb3+ tri-doped BaMoO4 phosphors were synthesized by co-precipitation technique and characterized by X-ray diffraction analysis, absorption study and field emission scanning electron microscopy analysis. Upconversion as well as downconversion luminescence studies were performed by… read more here.

Keywords: energy; er3 tm3; tm3 yb3; tm3 ... See more keywords
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A facile strategy to prepare (N, Ni, P) tri-doped echinus-like porous carbon spheres as advanced anode for lithium ion batteries.

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Published in 2019 at "Nanotechnology"

DOI: 10.1088/1361-6528/ab3f07

Abstract: Heteroatom doped carbon nanomaterials are often employed as advanced anode for Lithium ions battery (LIBs) in terms of their stable structure, high capacity and low cost. In this work, we proposed a novel strategy to… read more here.

Keywords: carbon; anode lithium; advanced anode; echinus like ... See more keywords