Hybrid\nof MoS₂ and Reduced Graphene Oxide: A Lightweight and Broadband\nElectromagnetic Wave Absorber

Abstract

Electromagnetic\nwave absorbing materials that can exhibit effective absorption in\na broad bandwidth at a thin thickness are strongly desired due to\ntheir widespread applications in electronic devices. In this study,\nhybrids of MoS₂ and reduced graphene oxide (RGO) were prepared\nand their microwave absorption performance was investigated for the\nfirst time. It was found that a thin sample consisting of 10 wt %\nMoS₂/RGO hybrid in the wax matrix exhibited an effective\nmicrowave absorption bandwidth of 5.72 GHz at the thickness less than\n2.0 mm. The highest reflection loss of −50.9 dB was observed\nat 11.68 GHz for a sample with a thickness of 2.3 mm. Results obtained\nin this study indicate that hybrids of MoS₂ and RGO are\npromising microwave absorbing materials, which can exhibit broad effective\nabsorption bandwidth at low filler loading and thin thickness.