Preparation and characterization of nanocomposites of MoS2 nanoflowers and palygorskite nanofibers as lightweight microwave absorbers

It is an effective strategy to use clay minerals (palygorskite) to prevent the aggregation of molybdenum disulfide (MoS 2 ) nanosheets prepared with hydrothermal process. The palygorskite/molybdenum disulfide (Pal/MoS 2 ) nanocomposites presented notable microwave absorption performances, which can be optimized by adjusting the content of Pal. The sample with optimized composition has a minimum reflection loss (RL) of -59.91 dB at 9.92 GHz at a thin thickness of 2.28 mm, owing to the enhanced interface polarization and improved impedance matching . It is believed that the 2D hierarchically structured Pal/MoS 2 nanocomposites can serve as a potential microwave absorber for practical applications.