Articles with "doped nickel" as a keyword



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A highly efficient water electrolyser cell assembled by asymmetric array electrodes based on Co, Fe-doped Ni(OH)2 nanosheets

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.146972

Abstract: Abstract Hydrogen is an “ideal” clean sustainable energy source if it is produced via water electrolyser using power generated by renewable energy systems (RES) such as solar panels and wind turbines. In this study, cobalt… read more here.

Keywords: water electrolyser; water; nickel hydroxide; doped nickel ... See more keywords
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Copper doped nickel aluminate: Synthesis, characterisation, optical and colour properties

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Published in 2019 at "Chinese Journal of Chemical Engineering"

DOI: 10.1016/j.cjche.2019.01.008

Abstract: Abstract Novel environment friendly inorganic nano green pigments, Ni1−xCuxAl2O4 (x = 0, 0.02, 0.04, 0.06, 0.08, 0.1) were successfully synthesised by simple, cost effective sol–gel method using citric acid as a gelling agent. Synthesised nano pigments were… read more here.

Keywords: aluminate synthesis; synthesis characterisation; nickel aluminate; copper doped ... See more keywords
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Raman spectroscopic and magnetic properties of Europium doped nickel oxide nanoparticles prepared by microwave-assisted hydrothermal method

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.157639

Abstract: Abstract Pure and 5 mol% Eu doped nickel oxide (NiO) nanoparticles were synthesized by microwave-assisted hydrothermal method. X-ray diffraction and Rietveld refinement analysis confirmed the phase and purity of prepared nanoparticles. Scanning electron microscopy analysis revealed… read more here.

Keywords: assisted hydrothermal; hydrothermal method; microwave assisted; spectroscopy ... See more keywords
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Hyperthermia application of zinc doped nickel ferrite nanoparticles

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Published in 2017 at "Journal of Physics and Chemistry of Solids"

DOI: 10.1016/j.jpcs.2017.08.018

Abstract: Abstract This work was written with the aim of preparing zinc doped nickel ferrite (Ni 1-x Zn x Fe 2 O 4 : x = 0.25, x = 0.5 and x = 0.75) nanoparticles via mechanical milling and subsequent sintering. The… read more here.

Keywords: ferrite nanoparticles; zinc; nickel ferrite; doped nickel ... See more keywords
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Novel Sulfur-Doped Nickel Cobalt Phosphide Nanosheet Arrays on Carbon Cloth as An Efficient Electrocatalyst for Water Splitting

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Published in 2021 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2021.124746

Abstract: Abstract The development of electrocatalyst for large-scale production of hydrogen and oxygen via water electrolysis with low overpotential is highly necessary. In this research, a novel electrocatalyst of sulfur-doped nickel cobalt phosphide nanosheets coating over… read more here.

Keywords: nickel cobalt; water; electrocatalyst; cobalt phosphide ... See more keywords
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Reduction in piezoelectric voltage generation for the cerium doped nickel ferrite nanoparticles filled PVDF-HFP nanocomposites

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Published in 2019 at "Results in Physics"

DOI: 10.1016/j.rinp.2019.02.066

Abstract: Abstract This paper describes the synthesis of grape cluster shaped nickel ferrite (NiFe2O4) and cerium doped nickel ferrite (Ce-NiFe2O4) nanoparticles by chemical co-precipitation and their addition to poly(vinylidene fluoride-co-hexafluoroproplyene) (PVDF-HFP) through solution mixing. The electrospun… read more here.

Keywords: voltage; nickel ferrite; doped nickel; pvdf hfp ... See more keywords
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Hierarchical Iron-Doped Nickel Diselenide Hollow Spheres for Efficient Oxygen Evolution Electrocatalysis

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Published in 2019 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.9b00337

Abstract: Explorin gearth-abundant oxygen evolution reaction electrocatalysts is attracting tremendous attention but still remains challenging. In this study, we design and synthesize hierarchical iron-doped nickel selenides with hollow structure and tunable composition. Benefiting from the synergistic… read more here.

Keywords: hollow spheres; iron doped; hierarchical iron; oxygen evolution ... See more keywords
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Room temperature-formed iron-doped nickel hydroxide on nickel foam as a 3D electrode for low polarized and high-current-density oxygen evolution.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c8cc00701b

Abstract: Unique room temperature-formed iron-doped nickel hydroxide on Ni foam as a 3D electrode in alkaline electrolyte offers fast gas dissipation, a high number of active sites and a high oxidation state of Ni for an… read more here.

Keywords: formed iron; room temperature; temperature formed; nickel hydroxide ... See more keywords
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Electrochemical oxidation of boron-doped nickel–iron layered double hydroxide for facile charge transfer in oxygen evolution electrocatalysts

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Published in 2021 at "RSC Advances"

DOI: 10.1039/d0ra10169a

Abstract: An electrochemically oxidized boron-doped NiFe LDH electrocatalyst was prepared and the electrocatalyst showed improved water oxidation performance. read more here.

Keywords: oxidation boron; doped nickel; boron; boron doped ... See more keywords
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Sulfur and phosphorus co-doped nickel–cobalt layered double hydroxides for enhancing electrochemical reactivity and supercapacitor performance

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Published in 2021 at "RSC Advances"

DOI: 10.1039/d1ra00424g

Abstract: The optimized sulfur and phosphorus co-doped NiCo LDH reduces charge transfer resistance and realizes efficient redox reaction, achieving an outstanding specific capacitance of 3844.8 F g−1 at 3 A g−1. read more here.

Keywords: doped nickel; phosphorus doped; sulfur phosphorus; nickel cobalt ... See more keywords
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Doping-driven electronic structure and conductivity modification of nickel sulfide.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt00363e

Abstract: The lack of electrical conductivity limits the electrochemical kinetic rate of the electrode material, resulting in the inability to reach its theoretical capacity. A facile method is adopted to improve the intrinsic conductivity of binary… read more here.

Keywords: sulfide; electronic structure; nickel sulfide; conductivity ... See more keywords