Preparation and Electromagnetic-wave-absorption properties of N, O-doped PMMA&DVB&AN carbon microspheres with porous hollow structures
Chemical Engineering Journal（2023）
Abstract
•Preparation of microspheres by simple soap free lotion and seed polymerization.•N, O doped three-layer composite microspheres were prepared.•Hollow porous carbon microspheres obtained by high temperature carbonization.•The optimal performance with RLmin is −52.05 dB with 2.48 mm-matching-thickness.•The maximum effective bandwidth (EAB) is 4.80 GHz of 2 mm-matching-thickness.
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Key words
Three-layer coated microspheres,Heteroatom doping,Hollow structures,Porous carbon microspheres,Electromagnetic wave absorption
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