Abstract

MXene has shown great potential in electromagnetic interference (EMI) shielding field benefit due to its excellent conductivity and surface hydrophilicity. Vacancy-doped MXene can be obtained by selectively etching Al and Y of the 3D (Mo[Formula: see text]Y[Formula: see text])2AlC precursor. Introducing defects such as vacancy into MXene can reduce its weight per unit volume and realize lightweight. Herein, for the first time, the defect-containing Mo[Formula: see text]C MXene “paper” of 3.5 [Formula: see text]m thickness was tested as electromagnetic interference materials, showing promising results compared to other MXene and graphene-based materials.

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