Hierarchical FeCo@C/N-CNTs heterostructure with 3D conductive network for efficient electromagnetic wave dissipation

Qiao Liu

doi:10.1016/j.matchar.2026.116492

Hierarchical FeCo@C/N-CNTs heterostructure with 3D conductive network for efficient electromagnetic wave dissipation

2026-05-09

0

PRE

AI

Q

Qiao Liu

X

Xiaoming Duan *

J

Jianxin He

Y

Yinglong Liu

L

Lin Zhu

L

Lan Wang

S

Shaojie Liu

X

Xiaoxiao Huang *

B

Bo Zhong

W

Wen Wang

P

Peigang He

X

Xingqi Liao

D

Dechang Jia *

Y

Yu Zhou

DOI：10.1016/j.matchar.2026.116492

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Abstract

En 中文

• An in-situ catalytic growth strategy prevents CNT agglomeration, constructing a 3D conductive network from a FeCo bimetallic MOF precursor. • A unique hierarchical heterostructure features bamboo-like N-CNTs rooted on FeCo@C cores, vastly enriching interfaces for enhanced polarization. • Exceptional absorption is achieved: an RLmin of −60.78 dB and an ultra-broad EAB of 5.04 GHz at a mere 1.66 mm thickness. • RCS simulations verify superior radar stealth, with a reduction of −16.6 dBm2 at 15.28 GHz and wide-angle attenuation (±60°).

Keywords:

FeCo@C/N-CNTs

hierarchical heterostructure

3D conductive network

electromagnetic wave dissipation

radar stealth

Hierarchical FeCo@C/N-CNTs heterostructure with 3D conductive network for efficient electromagnetic wave dissipation

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