2D/2D Mo0.74W0.26S2/Ti3C2 MXene for microwave absorption with broad effective absorption band

Transition metal dichalcogenide MoS2 is considered as a type of dielectric loss dominated electromagnetic wave absorbing material owing to the high specific surface area, layered structure, and lightweight. Introduction of interfaces will improve the electromagnetic wave absorbing performance. Here,...

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Bibliographic Details
Published in:Applied physics letters 2023-07, Vol.123 (2)
Main Authors: Kong, X. T., Zhang, L., Li, H., Zhu, X. B.
Format: Article
Language:English
Subjects:
Absorption spectra
Applied physics
Dielectric loss
Electromagnetic radiation
Heterostructures
Microstrain
Microwave absorption
Molybdenum disulfide
MXenes
Transition metal compounds
Two dimensional materials
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Summary:Transition metal dichalcogenide MoS2 is considered as a type of dielectric loss dominated electromagnetic wave absorbing material owing to the high specific surface area, layered structure, and lightweight. Introduction of interfaces will improve the electromagnetic wave absorbing performance. Here, the phase engineering of MoS2 is realized through W doping since of the microstrain effect, resulting in the appearance of 2H/1T MoS2 phase interface. Furthermore, MoS2/Ti3C2 MXene interface is realized through the construction of MoS2/Ti3C2 MXene heterostructure, leading to obvious improvements in electromagnetic wave absorbing. Because of the simultaneous introduction of 2H/1T MoS2 phase interface and the MoS2/Ti3C2 MXene interface, the microwave reflection loss can reach −45.2 dB with broad effective absorption bandwidth (
ISSN:0003-6951
1077-3118
DOI:10.1063/5.0156401