One-Pot Hydrothermal Preparation of Fe3O4 Decorated Graphene for Microwave Absorption

Du, Zhonghe; Chen, Xibang; Zhang, Youwei; Que, Xueyan; Liu, Pinggui; Zhang, Xiuqin; Ma, Hongchao; Zhai, Maolin

doi:10.3390/ma13143065

Cited by 19 publications

(4 citation statements)

References 33 publications

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“…The nanocomposites with a thickness of 1.7 mm exhibited an EAB of 4.76 GHz with an RL of more than −10 dB at 13.24–18 GHz. Du et al prepared Fe 3 O 4 /RGO composites by hydrothermal method, in which Fe 3 O 4 nanoparticles were uniformly decorated on RGO nanosheets. The synergistic loss effect of graphene and magnetic Fe 3 O 4 improved the comprehensive wave-absorbing performance of the materials, and the main loss mechanisms were classified as conduction loss, polarization loss, eddy current loss, and natural resonance.…”

Section: Preparation and Absorption Properties Of Fe3o4 Multicomponen...mentioning

confidence: 99%

Electromagnetic Absorption by Magnetic Oxide Nanomaterials: A Review

Wang,

et al. 2023

ACS Appl. Nano Mater.

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Section: Preparation and Absorption Properties Of Fe3o4 Multicomponen...mentioning

confidence: 99%

Electromagnetic Absorption by Magnetic Oxide Nanomaterials: A Review

Wang,

et al. 2023

ACS Appl. Nano Mater.

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“…3 (b) and (c). The rGO nanosheet plays a vital role in enabling good dispersibility of MNP nanospheres and preventing it from aggregating [20,21] . It is clear from Fig.…”

Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

Reduced Graphene Oxide Functionalized Magnetic Nanocomposites for Environmental Pollutant Removal

Nan

Hazman

Miskon

et al. 2022

MSF

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Nowadays, the excessive and uncontrolled discharge of chemicals are imposing major health threats. The demands for clean and safe water amplifies the need to develop improved technologies for environmental contaminant removal. Considering the limitations of conventional methods for contaminants removal, we have prepared magnetic iron oxide nanoparticles functionalised with reduced graphene oxide as a potential material for environmental pollutants removal. The magnetic properties in potential adsorbent materials are highly desirable due to several advantages. Among which are their large adsorptive surface area, low diffusion resistance, high adsorption capacity and fast separation in large volumes of solution. The surface functionalised magnetic iron oxide nanoparticles (MNP) were fabricated using a one-pot hydrothermal method by adding reduced graphene oxide (rGO) into the reaction system. The graphene oxide were reduced prior to the addition in the hydrothemal decomposition step. The resultant rGO-MNP nanocomposites were characterised using FT-IR, SEM and VSM to investigate the functional groups, morphology and magnetic properties, resepectively. We also demonstrated the potential of the hybridised magnetic material with hydrophobic reduced graphene oxide for environmental pollutant removal.

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“…Because of the tunable mechanism of dielectric and magnetic loss [ 7 ], the integration of magnetic and carbon-based materials is one of the hot spots in the field of microwave absorption [ 8 , 9 , 10 ]. In particular, the requirement is to acquire materials with strong microwave-absorption reflection loss, wideband effectively absorption bandwidth and thin thickness [ 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

Lightweight Chain-Typed Magnetic Fe3O4@rGO Composites with Enhanced Microwave-Absorption Properties

Qian

Liang

et al. 2022

Nanomaterials

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A lightweight microwave-absorbing material with a strong electromagnetic-absorption capability of practical significance in the field of electromagnetic compatibility was obtained by adjusting the ratio of Fe3O4 and rGO. A nanoparticle material with a chain-typed structure consisting of a combination of Fe3O4 and rGO was produced by a hydrothermal method under an applied magnetic field. The electromagnetic loss property of the Fe3O4@rGO composites is studied in the frequency range from 2 to 18 GHz. In addition, the reflection loss and the mechanism of microwave absorption are explored. By changing the amounts of rGO, the electromagnetic loss of the Fe3O4@rGO composites can be effectively regulated, which obtain better reflection loss. The minimum reflection loss of the Fe3O4@rGO composites is −49.4 dB at 16.2 GHz only with a thickness of 1.75 mm. Thus, the Fe3O4@rGO composites have an extremely thin thickness and a strong electromagnetic wave absorption capacity, which is a candidate for the development of lightweight magnetic absorbing materials.

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One-Pot Hydrothermal Preparation of Fe3O4 Decorated Graphene for Microwave Absorption

Cited by 19 publications

References 33 publications

Electromagnetic Absorption by Magnetic Oxide Nanomaterials: A Review

Electromagnetic Absorption by Magnetic Oxide Nanomaterials: A Review

Reduced Graphene Oxide Functionalized Magnetic Nanocomposites for Environmental Pollutant Removal

Lightweight Chain-Typed Magnetic Fe3O4@rGO Composites with Enhanced Microwave-Absorption Properties

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