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

ABSTRACT: Developing effective strategies to regulate graphene's conduction loss and polarization has become a key to expanding its application in the electromagnetic wave absorption (EMWA) field. Based on the unique energy band structure of graphene, regulating its bandgap and electrical properties by introducing heteroatoms is considered a feasible solution. Herein, metal-nitrogen doping reduced graphene oxide (M-N-RGO) was prepared by embedding a series of single metal atoms M-N₄ sites (M = Mn, Fe, Co, Ni, Cu, Zn, Nb, Cd, and Sn) in RGO using an N-coordination atom-assisted strategy. These composites had adjustable conductivity and polarization to optimize dielectric loss and impedance matching for efficient EMWA performance. The results showed that the minimum reflection loss (RL

SUBMITTER: Zhang K 

PROVIDER: S-EPMC11489363 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature