Mechanistic Insights into the Structural Evolution of ZIF‐67 via Electrospinning Strategy Toward High Electromagnetic Wave Absorption Performance of ZIF‐67‐Derived Carbon Nanofibers DOI Creative Commons
Xinhui Cao, Xinyi Wu, Xue Wang

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 7, 2025

Abstract Metal‐organic framework (MOF)‐derived architectures are regarded as an effective electromagnetic wave (EMW)‐absorbing materials owing to their adjustable compositions and microstructures. The combination of MOFs with carbon nanofibers (CNFs) is a practical method increase the EMW absorption ability. In this work, cobalt‐based zeolitic imidazolate framework‐67 (ZIF‐67) serves self‐sacrificing precursor fabricate Co‐carbon nanofiber (Co‐CNF) composites via in situ electrospinning strategy. Comparative studies on ex situ, strategies for conducted. A unique structural evolution mechanism from ZIF‐67 Co nanoparticles explored. Numerous small evenly distributed surface synthesized Co‐CNF (in‐Co‐CNF) resulting collapse framework, whereas remains (ex‐Co‐CNF), encapsulating large nanoparticles. lower reflection loss ( RL ) −48.6 dB at 6.8 GHz 3.5 mm achieved in‐Co‐CNF because improved conduction, polarization, magnetic losses, ex‐Co‐CNF only exhibits −18.3 9.3 same thickness. radar cross‐section (RCS) simulation Tesla wireless transmission experiment conducted validate real applications.

Language: Английский

Enhanced electromagnetic wave absorption of multicore Fe4N@N-doped porous carbon core-shell microspheres through dielectric-magnetic coordination DOI

Shuting Zhang,

Chengguo Wang,

Xiangwei Meng

et al.

Carbon, Journal Year: 2025, Volume and Issue: unknown, P. 120176 - 120176

Published: Feb. 1, 2025

Language: Английский

Citations

2
Heteroatom-doped hollow bimetallic carbon nanofibers induce polarization-dominated multiple loss mechanisms for microwave absorption DOI
Hui Huang, Yue Wang,

Shengling Yuan

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160683 - 160683

Published: Feb. 1, 2025

Language: Английский

Citations

0
Mechanistic Insights into the Structural Evolution of ZIF‐67 via Electrospinning Strategy Toward High Electromagnetic Wave Absorption Performance of ZIF‐67‐Derived Carbon Nanofibers DOI Creative Commons
Xinhui Cao, Xinyi Wu, Xue Wang

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 7, 2025

Abstract Metal‐organic framework (MOF)‐derived architectures are regarded as an effective electromagnetic wave (EMW)‐absorbing materials owing to their adjustable compositions and microstructures. The combination of MOFs with carbon nanofibers (CNFs) is a practical method increase the EMW absorption ability. In this work, cobalt‐based zeolitic imidazolate framework‐67 (ZIF‐67) serves self‐sacrificing precursor fabricate Co‐carbon nanofiber (Co‐CNF) composites via in situ electrospinning strategy. Comparative studies on ex situ, strategies for conducted. A unique structural evolution mechanism from ZIF‐67 Co nanoparticles explored. Numerous small evenly distributed surface synthesized Co‐CNF (in‐Co‐CNF) resulting collapse framework, whereas remains (ex‐Co‐CNF), encapsulating large nanoparticles. lower reflection loss ( RL ) −48.6 dB at 6.8 GHz 3.5 mm achieved in‐Co‐CNF because improved conduction, polarization, magnetic losses, ex‐Co‐CNF only exhibits −18.3 9.3 same thickness. radar cross‐section (RCS) simulation Tesla wireless transmission experiment conducted validate real applications.

Language: Английский

Citations

0