Preparation of coral-like palygorskite-dispersed Fe3O4/polyaniline with improved electromagnetic absorption performance
Source abstract
Abstract
Abstract Palygorskite (Pal) was used as frameworks to disperse Fe3O4 and polyaniline (PANI) nanoparticles for the preparation of coral-like Pal-dispersed Fe3O4/PANI composites with improved electromagnetic absorption performance. The processing was a combination of hydrothermal synthesis and simple mechanical stirring. With increasing content of Pal, specific surface area of the Pal-dispersed Fe3O4/PANI composites was increased from 21.14 m2/g to 29.69 m2/g, while the composites exhibitd fluffy coral-like structure due to the cation exchange mechanism and rich silanol (Si-OH) group of Pal. Since various loss mechanisms and improved impedance matching, the Pal-dispersed Fe3O4/PANI displayed an optimal reflection loss of −62.45 dB and a broad effective absorption bandwidth of 5.05 GHz. Therefore, this work develops an inexpensive framework to disperse nanoparticles for electromagnetic absorption materials, while new application of Pal is proposed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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