Abstract
Multipurpose electromagnetic shielding materials with high absorption and low reflection are a potential topic for upcoming advancement in the fabrication industry. Nevertheless, the task of effectively incorporating these traits into the same material remains challenging. In the current work, Fe3N @ C nanocomposite wrapped in Poly(4,4′-di(N-carbazoyl)bipheny-co-2,2′-bithiophene) polymer is fabricated for absorbance-based shielding material which exhibits significant absorbance and minimal reflection characteristics. The microwave absorption features of as-synthesized material were studied for different loading ratios and it has achieved minimum reflection loss (RLmini) of − 39 dB having 2.0 mm thickness for 8 wt% loading sample. Shielding effectiveness of the fabricated nanocomposite was also measured, and the sample with 8 wt% filler loading had a high electromagnetic interference shielding efficacy of − 60 dB at 8.5 GHz. Additionally, high absorption capacity (−30 dB) and excellent shielding effectiveness (−60 dB) make this nanocomposite a special one that may be used as a radar-absorbing coating to shield against electromagnetic radiation interference. Thus, such adaptive shielding material possesses essential uses in electromagnetic shielding due to its exceptional capacity for absorption and remarkable efficiency in shielding.
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