Journal
COMPOSITES COMMUNICATIONS
Volume 41, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2023.101635
Keywords
MXene; Microwave absorption; VOOH; Electrostatic self -assembly
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In this study, hollow-structured hydroxy vanadium oxide (VOOH) was constructed, and VOOH@MXene composite material was prepared through electrostatic self-assembly. The composites have effective attenuation and absorption of electromagnetic waves. The excellent conductivity of MXene compensates for the low conductivity of VOOH, and the hollow structure of VOOH prevents the stacking of MXene sheet layers and improves the impedance matching problem. The VOM_10 composite exhibits good microwave absorption performance with a minimum reflection loss of -34.9 dB and a maximum effective absorption bandwidth of 4.08 GHz. The preparation of VOOH@MXene composites using electrostatic self-assembly and the construction of a hollow structure provide a new idea for the study of lightweight and high-performance wave absorption materials.
In this study, hollow-structured hydroxy vanadium oxide (VOOH) was constructed and VOOH@MXene composite material was prepared through electrostatic self-assembly. The composites can effectively attenuate and absorb electromagnetic waves. Among them, the excellent conductivity of MXene can make up for the low conductivity of hydroxy vanadium oxide, and the hollow structure of hydroxy vanadium oxide can effectively prevent the stacking of MXene sheet layers and improve the poor impedance matching problem. The composite VOM_10 has good microwave absorption performance with a minimum reflection loss of -34.9 dB and a maximum effective absorption bandwidth of 4.08 GHz. The preparation of VOOH@MXene composites using an electrostatic self-assembly strategy and construction of a hollow structure strategy provides a new idea for the study of new lightweight and high performance wave absorption materials.
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