Building of lightweight Nb2CTx MXene@Co nitrogen-doped carbon nanosheet arrays@carbon fiber aerogels for high-efficiency electromagnetic wave absorption in X and Ku bands inspired by sea cucumber

Yan, Jiatong; Cui, Ce; Bai, Wenhao; Tang, Hong; Guo, Ronghui

doi:10.1007/s12274-024-6898-5

Nano Res.

2024

DOI: 10.1007/s12274-024-6898-5

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Building of lightweight Nb2CTx MXene@Co nitrogen-doped carbon nanosheet arrays@carbon fiber aerogels for high-efficiency electromagnetic wave absorption in X and Ku bands inspired by sea cucumber

Jiatong Yan,

Ce Cui,

Wenhao Bai

et al.

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2024

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Cited by 4 publications

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One‐Click to 3D: Helical Carbon Nanotube‐Mediated MXene Hierarchical Aerogel with Layer Spacing Engineering for Broadband Electromagnetic Wave Absorption

Lin,

Peng,

Luo

et al. 2024

Small Methods

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MXenes are 2D materials known for their unique electromagnetic wave absorption (EMWA) properties arising from their varied composition and structure. In this study, a one‐step ice‐assisted process is utilized to directly transform 2D MXene into 3D single‐layer MXene aerogels (SMAs). Furthermore, the interlayer spacing of the SMAs is optimized by incorporating helical carbon nanotubes (HCNTs). Because of the van der Waals interaction between the MXene nanosheets and HCNTs, the assembled HCNT@MXene aerogels (HMAs) exhibited a regular porous structure and moderate conductivity, leading to significantly enhanced electromagnetic responses, as demonstrated by finite element simulation. The HMAs showed an exceptional EMWA, with a minimum reflection loss of −51.45 dB and an effective absorption bandwidth of 6.48 GHz at 3.0 wt.% filler ratio. Additionally, visualization of surface charge distribution and power loss density characteristics clarified the underlying EMWA mechanisms. By employing a hollow structure gradient metamaterial design, the effective EMWA bandwidth is further expanded to 13.98 GHz. Additionally, HMAs exhibited the maximum radar cross‐section reduction values with 27.08 dB m2. Moreover, the HMAs exhibited excellent thermal insulation capability. This paper presents a straightforward yet effective method for fabricating MXene aerogels and offers valuable insights for the development and application of MXene‐aerogel‐based EMW absorbers.

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One‐Click to 3D: Helical Carbon Nanotube‐Mediated MXene Hierarchical Aerogel with Layer Spacing Engineering for Broadband Electromagnetic Wave Absorption

Lin,

Peng,

Luo

et al. 2024

Small Methods

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Activated carbon as a catalyst to promote the reactivity of hydroquinone in skin whitening cosmetics

Pan,

Su,

Hua

et al. 2024

J Porous Mater

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Flexible CoNiZn@Ti3CNTx MXene@carbon fabrics with hierarchical structure for efficient electromagnetic wave absorption

Tan,

Bai,

Yan

et al. 2024

Chemical Engineering Journal

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Building of lightweight Nb2CTx MXene@Co nitrogen-doped carbon nanosheet arrays@carbon fiber aerogels for high-efficiency electromagnetic wave absorption in X and Ku bands inspired by sea cucumber

Cited by 4 publications

References 54 publications

One‐Click to 3D: Helical Carbon Nanotube‐Mediated MXene Hierarchical Aerogel with Layer Spacing Engineering for Broadband Electromagnetic Wave Absorption

One‐Click to 3D: Helical Carbon Nanotube‐Mediated MXene Hierarchical Aerogel with Layer Spacing Engineering for Broadband Electromagnetic Wave Absorption

Activated carbon as a catalyst to promote the reactivity of hydroquinone in skin whitening cosmetics

Flexible CoNiZn@Ti3CNTx MXene@carbon fabrics with hierarchical structure for efficient electromagnetic wave absorption

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