Articles with "co3o4 nps" as a keyword



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Electrochemical Investigations of Magnetic Co3O4 Nanoparticles as an Active Electrode for Supercapacitor Applications

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Published in 2018 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-018-4963-6

Abstract: AbstractThis attempt reports on cobalt oxide (Co3O4) nanoparticles (NPs) prepared through the traditional chemical reflux method to examine the behavior of supercapacitor performance. The synthesized NPs were characterized using several analytical tools such as ultraviolet-visible… read more here.

Keywords: electrode; co3o4 nps; spectroscopy; co3o4 nanoparticles ... See more keywords
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Facile and green synthesis of cobalt oxide nanoparticles using ethanolic extract of Trigonella foenumgraceum (Fenugreek) leaves

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Published in 2020 at "Advanced Powder Technology"

DOI: 10.1016/j.apt.2020.07.004

Abstract: Abstract Cobalt oxide nanoparticles (Co3O4 NPs) were successfully synthesized using ethanolic extract of Trigonella foenumgraceum L. (fenugreek) leaves as a green, potentially low cost, and easily biosynthesized method. The organic bioactive compounds present in fenugreek… read more here.

Keywords: cobalt oxide; co3o4 nps; oxide nanoparticles; spectroscopy ... See more keywords
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Magnetic analysis of cobalt oxide nanoparticles comprised boro-tellurite glass with erbium lanthanide

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Published in 2020 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2019.165931

Abstract: Abstract We report the cobalt oxide (Co3O4) nanoparticles (NPs) assisted modifications of magnetic properties of melt-quench synthesized Er3+ doped sodium magnesium boro-tellurite glass. The changes in magnetic parameters are attributed to the difference in the… read more here.

Keywords: boro tellurite; cobalt oxide; tellurite glass; glass ... See more keywords
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Sonochemically synthesized mesoporous cobalt oxide nanoparticles for luminol-enhanced chemiluminescence sensing

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Published in 2022 at "Nanotechnology"

DOI: 10.1088/1361-6528/ac973a

Abstract: In recent years, mesoporous cobalt oxides have attracted more attention due to their exceptional physical and chemical properties and their important applications in various fields. The synthesis of cobalt oxides of various sizes, morphologies, and… read more here.

Keywords: system; cobalt; h2o2; co3o4 nps ... See more keywords
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Solanum tuberosum Leaf Extract Templated Synthesis of Co3O4 Nanoparticles for Electrochemical Sensor and Antibacterial Applications

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Published in 2022 at "Bioinorganic Chemistry and Applications"

DOI: 10.1155/2022/8440756

Abstract: Green synthesis of metal oxide nanoparticles (NPs) is a viable alternative methodology because of cost-effective and availability of environmentally friendly templates for desired application, which has attracted the attention of researchers in recent years. In… read more here.

Keywords: microscopy; co3o4 nps; spectroscopy; solanum tuberosum ... See more keywords
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Polydopamine-Coated Co3O4 Nanoparticles as an Efficient Catalase Mimic for Fluorescent Detection of Sulfide Ion

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Published in 2022 at "Biosensors"

DOI: 10.3390/bios12111047

Abstract: Surface engineering of nanozymes has been recognized as a potent strategy to improve their catalytic activity and specificity. We synthesized polydopamine-coated Co3O4 nanoparticles (PDA@Co3O4 NPs) through simple dopamine-induced self-assembly and demonstrated that these NPs exhibit… read more here.

Keywords: activity; co3o4 nps; sulfide ion; pda co3o4 ... See more keywords
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Sustainable and Efficacy Approach of Green Synthesized Cobalt Oxide (Co3O4) Nanoparticles and Evaluation of Their Cytotoxicity Activity on Cancerous Cells

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27238163

Abstract: In this study, rosemary leaf extract was effectively used to synthesize cobalt oxide nanoparticles (Co3O4 NPs) using a rapid, low-cost, and environmentally friendly approach. The prepared Co3O4 NPs were examined using various analytical techniques. However,… read more here.

Keywords: cobalt oxide; co3o4; activity; co3o4 nps ... See more keywords
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Facile Gram-Scale Synthesis of Co3O4 Nanocrystal from Spent Lithium Ion Batteries and Its Electrocatalytic Application toward Oxygen Evolution Reaction

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano13010125

Abstract: In this study, we demonstrate a new approach to easily prepare spinel Co3O4 nanoparticles (s-Co3O4 NPs) in the gram-scale from the cathode of spent lithium ion batteries (SLIBs) by the alkali leaching of hexaamminecobalt(III) complex… read more here.

Keywords: ion batteries; gram scale; spent lithium; toward oxygen ... See more keywords