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- Title
In Situ Synthesis of C-N@NiFe 2 O 4 @MXene/Ni Nanocomposites for Efficient Electromagnetic Wave Absorption at an Ultralow Thickness Level.
- Authors
Sun, Qing; Yang, Xin; Shu, Tie; Yang, Xianfeng; Qiao, Min; Wang, Dashuang; Liu, Zhaohui; Li, Xinghua; Rao, Jinsong; Zhang, Yuxin; Yang, Pingan; Yao, Kexin
- Abstract
Recently, the development of composite materials composed of magnetic materials and MXene has attracted significant attention. However, the thickness and microwave absorption performance of the composite is still barely satisfactory. In this work, the C-N@NiFe2O4@MXene/Ni nanocomposites were successfully synthesized in situ by hydrothermal and calcination methods. Benefiting from the introduction of the carbon-nitrogen(C-N) network structure, the overall dielectric properties are improved effectively, consequently reducing the thickness of the composite while maintaining excellent absorption performance. As a result, the minimum reflection loss of C-N@NiFe2O4@MXene/Ni can reach −50.51 dB at 17.3 GHz at an ultralow thickness of 1.5 mm, with an effective absorption bandwidth of 4.95 GHz (13.02–18 GHz). This research provides a novel strategy for materials to maintain good absorption performance at an ultralow thickness level.
- Subjects
ELECTROMAGNETIC wave absorption; MAGNETIC materials; NANOCOMPOSITE materials; DIELECTRIC properties; COMPOSITE materials
- Publication
Molecules, 2023, Vol 28, Issue 1, p233
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules28010233