Integration of Electrical Properties and Polarization Loss Modulation on Atomic Fe–N-RGO for Boosting Electromagnetic Wave Absorption

Autor:	Kaili Zhang, Yuefeng Yan, Zhen Wang, Guansheng Ma, Dechang Jia, Xiaoxiao Huang, Yu Zhou
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	Electromagnetic wave absorption Fe–N-RGO Dipole polarization Conduction loss Impedance matching Technology
Zdroj:	Nano-Micro Letters, Vol 17, Iss 1, Pp 1-16 (2024)
Druh dokumentu:	article
ISSN:	2311-6706 2150-5551
DOI:	10.1007/s40820-024-01518-x
Popis:	Highlights Single-atom Fe–N4 sites embedded into graphene were successfully synthesized to exert the dielectric properties of graphene. The absorption mechanisms of metal-nitrogen doping reduced graphene oxide mainly include enhanced dipole polarization, interface polarization, conduction loss and defect-induced polarization. Excellent reflection loss of − 74.05 dB (2.0 mm) and broad effective absorption bandwidth of 7.05 GHz (1.89 mm, with filler loading only 1 wt%) were obtained.
Databáze:	Directory of Open Access Journals
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