Two birds with one stone: Bimetallic ZnCo2S4 polyhedral nanoparticles decorated porous N-doped carbon nanofiber membranes for free-standing flexible anodes and microwave absorption

Li, Xiaoqiang; Guan, Guangguang; Tong, Siyi; Cheng, Bingjie; Xiang, Jun; Zhao, Tingting; Zhang, Kaiyin

doi:10.1016/j.jcis.2024.08.237

Journal of Colloid and Interface Science

2025

DOI: 10.1016/j.jcis.2024.08.237

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Two birds with one stone: Bimetallic ZnCo2S4 polyhedral nanoparticles decorated porous N-doped carbon nanofiber membranes for free-standing flexible anodes and microwave absorption

Xiaoqiang Li,

Guangguang Guan,

Siyi Tong

et al.

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2025

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Cited by 3 publications

References 32 publications

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Ag-decorated ZnCo2S4/SiO2 nanocomposite as a high-performance supercapacitor electrode

Elbasiony,

Abdelhamied,

AbdElrahman

et al. 2024

Journal of Alloys and Compounds

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Ag-decorated ZnCo2S4/SiO2 nanocomposite as a high-performance supercapacitor electrode

Elbasiony,

Abdelhamied,

AbdElrahman

et al. 2024

Journal of Alloys and Compounds

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In situ construction of FeCo nanoparticles decorated nitrogen-doped carbon nanofibers with surface-grown carbon nanotubes as lightweight and high-efficiency microwave absorbers with good environmental tolerance

Tong,

Li,

Ding

et al. 2025

Journal of Environmental Chemical Engineering

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Conjugated Microporous Polymer-Derived Nitrogen-Doped Carbon Nanocomposites with Multiple Magnetic Components for Broadband Microwave Absorption

Wang,

Xiu,

Meng

et al. 2024

ACS Appl. Nano Mater.

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Lightweight magnetic-carbon nanocomposites with multiple magnetic components are highly desirable for their efficacy in broadband microwave absorption. However, fabricating such composites with rationally designed chemical composites, tailored microstructure, and uniformly distributed magnetic components remains a grand challenge using conventional carbon precursors. Herein, we report the facile fabrication of porous N-doped carbon nanocomposites (Fe 3 O 4 @FeCN) with uniformly distributed and multiple magnetic components of Fe/Fe 3 C/Fe 3 O 4 nanoparticles using conjugated microporous polymers (CMPs) as the carbon precursor. CMPs have a high specific surface area and abundant nanoporosity, facilitating the efficient loading of iron ions and uniform growth of magnetic nanoparticles inside the carbon matrix. Notably, Fe 3 O 4 @FeCN-2 demonstrates excellent absorption capabilities with a minimum reflection loss (RL min ) of −49.68 dB and a wide absorption bandwidth of 5.72 GHz at a matching thickness of only 2.0 mm. This outstanding microwave absorption performance is primarily attributed to the synergistic effects of significantly improved impedance matching, enhanced polarization loss, and the introduction of magnetic loss through uniformly embedded Fe/Fe 3 C/Fe 3 O 4 nanoparticles in the nanoporous carbon matrix. Moreover, through simulation using computer simulation technology (CST), Fe 3 O 4 @FeCN-2 shows a significantly reduced radar cross section (RCS), with RCS values <−10 dB covering the entire frequency band of 2−18 GHz at angles of 30, 60, and 90°, demonstrating its great potential applications in radar systems and stealth technology. This work will inspire the development of carbon precursors to fabricate lightweight magnetic-carbon nanocomposites with precisely controlled structures for highperformance microwave absorption.

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Two birds with one stone: Bimetallic ZnCo2S4 polyhedral nanoparticles decorated porous N-doped carbon nanofiber membranes for free-standing flexible anodes and microwave absorption

Cited by 3 publications

References 32 publications

Ag-decorated ZnCo2S4/SiO2 nanocomposite as a high-performance supercapacitor electrode

Ag-decorated ZnCo2S4/SiO2 nanocomposite as a high-performance supercapacitor electrode

In situ construction of FeCo nanoparticles decorated nitrogen-doped carbon nanofibers with surface-grown carbon nanotubes as lightweight and high-efficiency microwave absorbers with good environmental tolerance

Conjugated Microporous Polymer-Derived Nitrogen-Doped Carbon Nanocomposites with Multiple Magnetic Components for Broadband Microwave Absorption

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