Articles with "fe2o3 fe3o4" as a keyword



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Porous Fe2O3/Fe3O4@Carbon octahedron arrayed on three-dimensional graphene foam for lithium-ion battery

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Published in 2019 at "Composites Part B: Engineering"

DOI: 10.1016/j.compositesb.2019.04.049

Abstract: Abstract A rapid and simple way to prepare porous Fe2O3/Fe3O4@carbon octahedron arrayed on three-dimensional graphene foam (Fe2O3/Fe3O4@C/G) nanocomposites was developed. Firstly, Fe-metal organic frameworks (MOFs)/graphene oxide (GO) precursor was fabricated by growing octahedral Fe-MOFs on… read more here.

Keywords: foam; octahedron arrayed; porous fe2o3; fe3o4 ... See more keywords
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Surface modification of MWCNT with cluster form of Fe2O3/Fe3O4 NPs for improving their microwave absorption performance

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Published in 2020 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2020.137823

Abstract: Abstract The Fe2O3/Fe3O4 nanoparticles (NPs) decorated on multi-walled carbon nanotubes (MWCNTs) by a three-step synthesis method as the following: (1) Fe2O3 was produced in polyethylene glycol (PEG) matrix; (2) PEG-Fe2O3 NPs covered with Fe3O4 to… read more here.

Keywords: mwcnt; fe3o4 nps; fe2o3 fe3o4; absorption performance ... See more keywords
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Fe2O3/Fe3O4/PANI/MWCNT nanocomposite with the optimum amount and uniform orientation of Fe2O3/Fe3O4 NPs in polyaniline for high microwave absorbing performance

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.156052

Abstract: Abstract The purpose of this study was to develop a method that modifies the surface of carbon nanotubes with magnetic nanoparticles. The well-known conductive polyaniline polymer (PANI) was directly polymerized on the surface of the… read more here.

Keywords: fe3o4 pani; fe2o3 fe3o4; fe3o4 nps; pani ... See more keywords
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Dynamic shock wave driven simultaneous crystallographic and molecular switching between α-Fe2O3 and Fe3O4 nanoparticles - a new finding.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01101h

Abstract: Switchable nanostructured materials with a low-cost and fast processing have diverse practical applications in the modern electronic industries, but such materials are highly scarce. Hence, there is a great demand for identifying the externally stimulated… read more here.

Keywords: molecular switching; dynamic shock; fe2o3 fe3o4; shock wave ... See more keywords
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Magnetic Properties of Two-Phase Borosilicate Glasses Containing β-Fe2O3 and Fe3O4 Nanoparticles

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Published in 2020 at "Technical Physics Letters"

DOI: 10.1134/s1063785020080180

Abstract: We have studied the magnetic properties of two-phase borosilicate glasses with matrices containing a mixture of β-Fe2O3 and Fe3O4 nanoparticles. The dimensions of the oxide nanoparticles are determined, and the temperature of blocking (TB ~… read more here.

Keywords: borosilicate glasses; phase borosilicate; two phase; magnetic properties ... See more keywords
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A novel Fe2O3–Fe3O4@SiO2@TiO2–TNS–GR magnetic composite with an enhanced visible photocatalytic property

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Published in 2019 at "Functional Materials Letters"

DOI: 10.1142/s1793604719500061

Abstract: A novel magnetic Fe2O3–Fe3O4@SiO2@TiO2–TNS–GR had been synthesized via a solvothermal method. The XRD diffraction patterns and SEM images showed that the magnetite Fe2O3–Fe3O4 core was coated with amorphous SiO2 sheel and anatase sheel successively. TiO2… read more here.

Keywords: fe3o4 sio2; fe2o3 fe3o4; sio2 tio2;
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Immobilization and Evaluation of Penicillin G Acylase on Hydroxy and Aldehyde Functionalized Magnetic α-Fe2O3/Fe3O4 Heterostructure Nanosheets

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Published in 2022 at "Frontiers in Bioengineering and Biotechnology"

DOI: 10.3389/fbioe.2021.812403

Abstract: Magnetic α-Fe2O3/Fe3O4 heterostructure nanosheets were fabricated via hydrothermal calcination. The activity of penicillin G acylase (PGA), which was covalently immobilized onto silica-decorated heterostructure nanosheets, achieved the highest activity of 387.03 IU/g after 18 h of… read more here.

Keywords: pga; heterostructure nanosheets; fe2o3 fe3o4; activity ... See more keywords
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Biomaterial-Modified Magnetic Nanoparticles γ-Fe2O3, Fe3O4 Used to Improve the Efficiency of Hyperthermia of Tumors in HepG2 Model

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Published in 2021 at "Applied Sciences"

DOI: 10.3390/app11052017

Abstract: The main treatments for cancer recorded to date include chemotherapy, radiotherapy, and surgery. Although we have achieved great success in treating certain types of tumors, there are still many incurable even with the help of… read more here.

Keywords: biomaterial modified; nanoparticles fe2o3; magnetic nanoparticles; hyperthermia ... See more keywords
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Plasma Enabled Fe2O3/Fe3O4 Nano-aggregates Anchored on Nitrogen-doped Graphene as Anode for Sodium-Ion Batteries

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Published in 2020 at "Nanomaterials"

DOI: 10.3390/nano10040782

Abstract: Low electrical conductivity severely limits the application of Fe2O3 in lithium- and sodium-ion batteries. In respect of this, we design and fabricate Fe2O3/Fe3O4 nano-aggregates anchored on nitrogen-doped graphene as an anode for sodium-ion batteries with… read more here.

Keywords: sodium ion; nano aggregates; fe2o3 fe3o4; ion ... See more keywords