Non-Magnetic Bimetallic MOF-Derived Porous Carbon-Wrapped TiO/ZrTiO Composites for Efficient Electromagnetic Wave Absorption.

Non-magnetic bimetallic MOF-derived porous carbon-wrapped TiO/ZrTiO composites are firstly used for efficient electromagnetic wave absorption. The electromagnetic wave absorption mechanisms including enhanced interfacial polarization and essential conductivity are intensively discussed. Modern communication technologies put forward higher requirements for electromagnetic wave (EMW) absorption materials.

High-performance microwave absorption of MOF-derived CoO@N-doped carbon anchored on carbon foam.

Absorbing materials can convert electromagnetic wave (EMW) energy into heat and other energy and dissipate it. Carbon materials can attenuate EMW by generating large conduction losses due to their high conductivity. The introduction of low dielectric materials can improve impedance matching caused by high conductivity.

Constructing 1T/2H MoS nanosheets/3D carbon foam for high-performance electromagnetic wave absorption.

Three-dimensional (3D) carbon-based materials have attracted growing attention in the field of electromagnetic wave absorption applications. However, their high conductivity results in high dielectric constant, leading to impedance mismatching, and this characteristic finally weakens their electromagnetic wave absorption performance. In this work, 3D carbon foam (3DCF) was successfully prepared by calcining the melamine foam as the carbon framework precursor under N atmosphere.