The green synthesis rGO/Fe3O4/PANI nanocomposites for enhanced electromagnetic waves absorption

•The rGO/Fe3O4/PANI nanomaterial with unique structure has been successfully prepared.•This rGO/Fe3O4/PANI with multi-interface is efficient for EM wave absorption.•The better impedance matching leads to efficient EM wave absorption. In this work, a simple, green, and large-scale synthesis method wa...

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