Multifunctional Three-Dimensional Porous MXene-Based Film with Superior Electromagnetic Wave Absorption and Flexible Electronics Performance
Li Chang, Xinci Zhang, Tingting Liu, Benyi Li, Ying Ji, Gongming Sun, Ziming Wang, Xitian Zhang, Maosheng Cao, Lin Li
TL;DR
A new 3D porous MXene film with nickel nanoparticles shows strong electromagnetic wave absorption and flexible electronics performance for smart systems.
Contribution
A novel MXene-based film with hierarchical porosity and nickel nanoparticles for enhanced electromagnetic absorption and multifunctionality.
Findings
The Ni-PMF film achieves a minimum reflection loss of –64.7 dB and a 7.2 GHz effective absorption bandwidth.
The film exhibits excellent electrothermal conversion and flexible strain-sensing capabilities.
Hierarchical porosity and heterogeneous interfaces improve interfacial polarization and magnetic loss.
Abstract
A multifunctional three-dimensional porous MXene-based film is fabricated, featuring a hierarchical porous structure that prevents nanosheet restacking and optimizes impedance matching.The MXene-based film integrated with metallic nickel nanoparticles (Ni-PMF) film with a wide effective bandwidth of 7.2 GHz, fully covering the Ku-band and surpassing most reported MXene-based film absorbers. Simultaneously, the Ni-PMF exhibits excellent electrothermal conversion and flexible strain-sensing capabilities.The Ni-PMF film integrates an electromagnetic attenuation mechanism, particularly abundant heterogeneous interfaces, thereby enhancing interfacial polarization and magnetic loss. A multifunctional three-dimensional porous MXene-based film is fabricated, featuring a hierarchical porous structure that prevents nanosheet restacking and optimizes impedance matching. The MXene-based film…
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Taxonomy
TopicsElectromagnetic wave absorption materials · MXene and MAX Phase Materials · Dielectric materials and actuators