Articles with "manganese oxide" as a keyword



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Improving the Electrochemical Oxygen Reduction Activity of Manganese Oxide Nanosheets with Sulfurization‐Induced Nanopores

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701192

Abstract: Low‐cost and high‐activity electrocatalysts for the oxygen reduction reaction (ORR) are necessary for the development of fuel cells and metal‐air batteries. Manganese oxide would be a good candidate because of its low cost, abundant supply,… read more here.

Keywords: oxide nanosheets; manganese oxide; activity; activity manganese ... See more keywords
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Manganese Oxide as an Inorganic Catalyst for the Oxygen Evolution Reaction Studied by X‐Ray Photoelectron and Operando Raman Spectroscopy

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Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.202001756

Abstract: Manganese oxide (MnOx) is considered a promising material for the oxygen evolution reaction (OER) to replace noble metal catalysts in water splitting. The improvement of MnOx requires mechanistic and kinetic knowledge of the four‐electron transfer… read more here.

Keywords: manganese oxide; oxygen evolution; spectroscopy; ray photoelectron ... See more keywords
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Synthesis of manganese oxide electrocatalysts in supercritical carbon dioxide

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Published in 2018 at "Journal of Materials Science"

DOI: 10.1007/s10853-018-2242-3

Abstract: In this work, a novel method of preparing manganese oxide nanoparticles from an organometallic precursor dissolved in supercritical carbon dioxide (sc CO2) was presented. Using the new approach, nanomaterials mostly consisting of manganese oxides in… read more here.

Keywords: supercritical carbon; synthesis manganese; carbon dioxide; manganese oxide ... See more keywords
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Thermally activated structural transformations in manganese oxide nanoparticles under air and argon atmospheres

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04525-6

Abstract: The properties of manganese oxide nanomaterials are dictated by the structure and morphology of the particular phases they can adopt. In this work, the effects of post-synthesis heat treatments on amorphous monodisperse manganese oxide nanoparticles… read more here.

Keywords: manganese oxide; oxide nanoparticles; air; mn3o4 ... See more keywords
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Manganese oxide nanoparticles electrodeposited on graphenized pencil lead electrode as a sensitive miniaturized pH sensor

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-0471-5

Abstract: AbstractpH monitoring in micro volume samples is required for environmental and clinical analysis. Low cost, miniaturized and stable metal oxide based pH sensors could be a suitable alternative to glass electrodes. In this study, a… read more here.

Keywords: manganese oxide; electrodeposited graphenized; oxide nanoparticles; nanoparticles electrodeposited ... See more keywords
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Facile synthesis, structure analysis and optical performance of manganese oxide-doped PVA nanocomposite for optoelectronic and optical cut-off laser devices

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-03348-0

Abstract: In the present work, successful manganese oxide (Mn 2 O 3 ) nanoparticles (NPs) were synthesized by a combustion technique, while the casting process was employed for the manufacturing of polymer nanocomposites with various weights… read more here.

Keywords: cut laser; analysis; analysis optical; manganese oxide ... See more keywords
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Graphene Oxide/Polyaniline/Manganese Oxide Ternary Nanocomposites, Facile Synthesis, Characterization, and Application for Indigo Carmine Removal

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Published in 2017 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-017-0947-z

Abstract: Graphene oxide/polyaniline/manganese oxide ternary nanocomposites (GO/PANI/Mn2O3) have been successfully synthesized in one-pot method by in situ chemical oxidative polymerization of aniline in acidic medium using MnO2 as an oxidant. The obtaining nanocomposites have been characterized… read more here.

Keywords: graphene oxide; adsorption; manganese oxide; polyaniline manganese ... See more keywords
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Structure and Large Magnetic Entropy Change in Double-Layered Manganese Oxide Pr1.4Sr1.6Mn2O7

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Published in 2017 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-016-3725-6

Abstract: Pr1.4Sr1.6Mn2O7 compound was prepared by a standard ceramic route, and its structure and magnetocaloric effect have been studied by using an X-ray diffractometer and magnetic measurements. This compound exhibits a single ferromagnetic (FM) to paramagnetic… read more here.

Keywords: manganese oxide; magnetic entropy; 4sr1 6mn2o7; pr1 4sr1 ... See more keywords
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Strain Evolution in Lithium Manganese Oxide Electrodes

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Published in 2018 at "Experimental Mechanics"

DOI: 10.1007/s11340-018-0381-8

Abstract: Lithium manganese oxide, LiMn2O4 (LMO) is a promising cathode material, but is hampered by significant capacity fade due to instability of the electrode-electrolyte interface, manganese dissolution into the electrolyte and subsequent mechanical degradation of the… read more here.

Keywords: capacity; manganese oxide; capacity fade; lithium manganese ... See more keywords
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Hydrothermal synthesis of needle-shaped manganese oxide nanoparticle for superior adsorption of thallium(I): characterization, performance, and mechanism study

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Published in 2019 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-019-06659-w

Abstract: Thallium as a highly toxic metal element has been listed as one of priority drinking water contaminants. In this study, manganese oxide nanoparticles were synthesized through a simple hydrothermal method and applied for the removal… read more here.

Keywords: adsorption; manganese oxide; adsorbent; study ... See more keywords
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Melt-spun modified poly (styrene-co-butyl acrylate) fiber as a carrier to support manganese oxide and its application in dye wastewater decolorization

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-09105-4

Abstract: Polymer fiber, a kind of versatile material, has been widely used in many fields. However, emerging applications still urge us to develop some new kinds of fibers. Advanced oxidation processes (AOPs) have created a promising… read more here.

Keywords: manganese oxide; melt spun; fiber; wastewater ... See more keywords