LaFe-MOFs derivatives with different compositions for boosting low-frequency and broadband electromagnetic wave absorption

Wang, Xiaoli; Luo, Juhua; Zhao, Huajun; Wu, Yuhan; Liu, Xing; Xie, Yu

doi:10.1016/j.mtnano.2024.100528

Materials Today Nano

2024

DOI: 10.1016/j.mtnano.2024.100528

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LaFe-MOFs derivatives with different compositions for boosting low-frequency and broadband electromagnetic wave absorption

Xiaoli Wang,

Juhua Luo,

Huajun Zhao

et al.

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Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands

Kumar,

Kumar

2024

ACS Appl. Electron. Mater.

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Reduced graphene oxide (rGO) with diverse, layered structures and unique electronic characteristics was restricted in microwave wave absorption owing to the high dielectric and easy agglomeration properties. In situ, the polymerization method is adopted to prepare the rGO@PANI with codoped Mn 2 O 3 and CoFe 2 O 4 composites as an efficient microwave absorber. The resultant material is thoroughly characterized for phase and morphological analysis and dielectric and magnetic parameters, which revealed that Mn 2 O 3 with CoFe 2 O 4 particles was dispersed across the rGO@PANI composite. Our finding shows that at the 35 wt % loading, sample PGF 1 shows an EAB of 5.07 GHz with a maximum reflection loss (RL max ) of −22.79 dB at 2 mm thickness; for PGF 2, the achieved RL max is −48.44 dB at 2.3 mm thickness with 3.6 GHz of EAB, while PGF 3 exhibits an EAB of 2.64 GHz and an RL max of −47.03 dB at 7.28 GHz with a thickness of 3.4 mm. The notable differences in the conduction of electrons and electronic structure between the decorated Mn 2 O 3 and CoFe 2 O 4 particles and outer graphene layers significantly enhance interfacial polarization. By creating quicker electron transport routes, the 3D hierarchical rGO@PANI with codoped Mn 2 O 3 and CoFe 2 O 4 network topology further improves absorption outcomes. The well-thought-out planning and cooperative action of rGO@PANI sheets with codoped Mn 2 O 3 and CoFe 2 O 4 are intimately connected to high interfacial polarization, which results in incredibly efficient absorption with lightweight and thin thickness as suitable in the field of RADAR absorption. Remarkably, PGF 3 with 40 wt % loading shows the absorption of microwaves for the entire X and K u bands only at a thickness of 2.4 mm and covers 92.5% of the whole frequency region (2−18 GHz) up to a thickness of 6 mm.

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Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands

Kumar,

Kumar

2024

ACS Appl. Electron. Mater.

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LaFe-MOFs derivatives with different compositions for boosting low-frequency and broadband electromagnetic wave absorption

Cited by 1 publication

References 59 publications

Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands

Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands

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LaFe-MOFs derivatives with different compositions for boosting low-frequency and broadband electromagnetic wave absorption

Cited by 1 publication

References 59 publications

Exploring the Potential of rGO@PANI with Codoped Mn2O3 and CoFe2O4 Composite as a Radar Absorbing Material for Entire X and Ku Bands

Exploring the Potential of rGO@PANI with Codoped Mn2O3 and CoFe2O4 Composite as a Radar Absorbing Material for Entire X and Ku Bands

Contact Info

Product

Resources

About

Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands

Exploring the Potential of rGO@PANI with Codoped Mn₂O₃ and CoFe₂O₄ Composite as a Radar Absorbing Material for Entire X and K_u Bands