Hollow C@MoS2 Nanospheres for Microwave Absorption
Source abstract
Abstract
The engineering of core–shell nanostructures provides a great potential to induce interfacial polarization relaxation and optimize impedance matching. Herein, core–shell-structured MHCS@MoS2 nanospheres are developed using hollow carbon (MHCS) and stacked MoS2 nanosheets. Heterostructures between cores and shells significantly boost the interface polarization effect and effectively reduce the electromagnetic wave (EMW) reflection caused by highly conductive MHCS. Thereby, efficient and broadband electromagnetic microwave absorption (EMA) performance can be achieved. Through controlling the thickness of MoS2 shells and the graphitization of MHCS cores, the effective absorption bandwidth (fE) of MHCS@MoS2 can reach 6.21 GHz at the thickness of only 2.1 mm. The nanodesigned core–shell-shaped MHCS@MoS2 nanospheres are demonstrated as a promising high-performance EMA material.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, China
Key Laboratory of Material Preparation and Protection for Harsh Environment, Nanjing University of Aeronautics and Astronautics, Ministry of Industry and Information Technology, Nanjing, Jiangsu 211100, People’s Republic of China
Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
Funding
RMIT University · University of Melbourne · National Natural Science Foundation of China · Open Fund of Key Laboratory of Materials Preparation and Protection for Harsh Environment
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