Electromagnetic interference shielding of 2d transition metal carbide (Mxene)/metal ion composites

Abstract

In this work, Ti3 C2, which has a loosely packed accordion-like structure in transition metal carbide (MXene) form, is fabricated and adsorbed by three metal ions (Fe3+ /Co2+ /Ni2+ ). The electromagnetic interference (EMI) shielding performance of Ti3 C2 and Ti3 C2:Fe3+ /Co2+ /Ni2+ films is researched in detail, demonstrating that the EMI shielding effectiveness can be improved by adsorbing by Fe3+ /Co2+ /Ni2+ ions because the metal ion adsorbing can improve the absorption efficiency via electromagnetic wave scattering. The studied Ti3 C2:Fe3+ /Co2+ /Ni2+ films can be used as good EMI shielding materials for communications, electronics, military, and other applications.