首页|Construction of one-dimensional hierarchical MoS2/Ni3S2 composites with enhanced interfacial polarization and improved wideband microwave absorption

Construction of one-dimensional hierarchical MoS2/Ni3S2 composites with enhanced interfacial polarization and improved wideband microwave absorption

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The construction of one-dimensional(1D)sulfides has attracted extensive attention for improving mi-crowave absorption(MA)performance owing to the anisotropic conductive networks.However,the syn-thesis of conductive 1D hierarchical materials with unique interfacial polarization and excellent MA prop-erties remains challenging.In this study,cable-like MoS2/Ni3S2 was synthesized by a one-step hydrother-mal strategy.The complex permittivity of the binary composites could be improved by tuning the thick-ness of the MoS2 coating.Importantly,the construction of heterogeneous contacts by MoS2 and Ni3S2 contributed to enhanced polarization loss,and the charge distribution was validated by electron holog-raphy.The wide efficient absorption bandwidth can reach above 4.8 GHz at a thin thickness.These new discoveries shed light on novel structures for 1D sulfide materials and the design of functional core-shell composites for microwave absorption.

1D sulfide materialsMicrowave absorptionMoS2/Ni3S2Interfacial polarizationCore-shell composites

Kaicheng Luo、Biao Zhao、Chunyang Xu、Chongyun Liang、Chang Zhang、Yiqian Du、Xiaowei Lv、Jincang Zhang、Limin Wu、Renchao Che

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Laboratory of Advanced Materials,Shanghai Key Lab of Molecular Catalysis and Innovative Materials,Academy for Engineering & Technology,Fudan University,Shanghai,200438,China

School of Microelectronics.Fudan University,Shanghai,200433,China

Zhejiang Laboratory,Hangzhou,311100,China

Inner Mongolia University,Hohhot,010021,China

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Ministry of Science and Technology of ChinaMinistry of Science and Technology of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

2021YFA12006002018YFA0209100522310075172510111727807

2024

10.1016/j.jmst.2023.08.044

材料科学技术(英文版)
中国金属学会 中国材料研究学会 中国科学院金属研究所

材料科学技术(英文版)

CSTPCD
影响因子：0.657
ISSN：1005-0302
年,卷(期)：2024.178(11)
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