Articles with "co3o4 ceo2" as a keyword



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Hollow Multishelled Structure of Heterogeneous Co3O4–CeO2−x Nanocomposite for CO Catalytic Oxidation

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Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201806588

Abstract: Herein, hollow multishelled structure (HoMS) of Co3O4–CeO2−x nanocomposites with controllable molar ratio of Co and Ce elements is synthesized by a general strategy sequential templating approach (STA) with a facile and efficient electrostatic spray process.… read more here.

Keywords: co3o4 ceo2; ceo2; multishelled structure; hollow multishelled ... See more keywords
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Sol-gel synthesis and characterization of Co3O4/CeO2 nanocomposites and its application for photocatalytic discoloration of organic dye from aqueous solutions

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-11040-3

Abstract: Herein, Co3O4/CeO2 nanocomposite was synthesized by the modified Pechini method. Citric, maleic, succinic, and trimsic acids were used as a stabilizer, and the variation affected the morphology and size of the synthesized nanocomposites. Subsequently, the… read more here.

Keywords: sol gel; co3o4 ceo2; aqueous solutions; ceo2 nanocomposites ... See more keywords
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Efficient activation of peroxymonosulfate by Co-doped mesoporous CeO2 nanorods as a heterogeneous catalyst for phenol oxidation

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Published in 2021 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-12605-6

Abstract: Sulfate radical−based advanced oxidation processes have received considerable attentions in the remediation of organic pollutants due to their high oxidation ability. In this study, a novel Co3O4/CeO2 catalyst was fabricated and employed as a peroxymonosulfate… read more here.

Keywords: oxidation; phenol oxidation; co3o4 ceo2; catalyst ... See more keywords
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Selective glycerol conversion to lactic acid on Co3O4/CeO2 catalysts

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Published in 2018 at "Catalysis Today"

DOI: 10.1016/j.cattod.2017.05.053

Abstract: Abstract Cerium oxide supported Co3O4 particles obtained through using the deposition-precipitation or impregnation methods and calcination at 400 °C, are used as catalysts on the glycerol oxidation in aqueous basic medium at 250 °C for obtaining lactic… read more here.

Keywords: co3o4 ceo2; conversion; glycerol; acid ... See more keywords

Highly efficient Co3O4/CeO2 heterostructure as anode for lithium-ion batteries.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.10.050

Abstract: Co3O4 has been extensively studied as an anode material for lithium-ion batteries (LIBs) because of its high theoretical capacity. However, during the charging-discharging processes, the issues of large volume change and low electric conductivity arise,… read more here.

Keywords: co3o4; ceo2 heterostructure; co3o4 ceo2; ion batteries ... See more keywords
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Highly enhanced soot oxidation activity over 3DOM Co3O4-CeO2 catalysts by synergistic promoting effect.

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Published in 2019 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2018.08.065

Abstract: Three-dimensionally ordered macroporous (3DOM) Co3O4-CeO2 catalysts with controllable Co/Ce molar ratios synthesized by colloidal crystal template method were developed to catalyze the NOx-assisted soot oxidation for the first time, and the obtained 3DOM Co3O4-CeO2 catalysts… read more here.

Keywords: soot oxidation; co3o4 ceo2; ceo2; ceo2 catalysts ... See more keywords
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CuO-Co3O4@CeO2 as a heterogeneous catalyst for efficient degradation of 2,4-dichlorophenoxyacetic acid by peroxymonosulfate.

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Published in 2019 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2019.121209

Abstract: CuO-Co3O4@CeO2 nanoparticles used as a heterogeneous catalyst were prepared via a sol-gel method and characterized by various techniques. For comparison, a series of oxides was investigated for activating peroxymonosulfate (PMS) during the degradation of 2,4-dichlorophenoxyacetic… read more here.

Keywords: cuo co3o4; degradation; co3o4 ceo2;
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Design of Co3O4/CeO2–Co3O4 hierarchical binary oxides for the catalytic oxidation of dibromomethane

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Published in 2019 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2019.01.016

Abstract: Abstract Developing the catalysts that can efficiently degrade brominated volatile organic compounds (Br-VOCs) is a priority due to the low activity, the low product selectivity, and the low resistance to Br-poisoning. In this work, Co3O4/CeO2–Co3O4… read more here.

Keywords: co3o4 ceo2; co3o4 hierarchical; hierarchical binary; co3o4 ... See more keywords
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Modifying redox properties and local bonding of Co3O4 by CeO2 enhances oxygen evolution catalysis in acid

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Published in 2021 at "Nature Communications"

DOI: 10.1038/s41467-021-23390-8

Abstract: Developing efficient and stable earth-abundant electrocatalysts for acidic oxygen evolution reaction is the bottleneck for water splitting using proton exchange membrane electrolyzers. Here, we show that nanocrystalline CeO2 in a Co3O4/CeO2 nanocomposite can modify the… read more here.

Keywords: oxygen evolution; co3o4 ceo2; redox properties; ceo2 ... See more keywords