Abstract
In this study, few-layer (FL) WS2 nanosheets were fabricated through liquid phase exfoliation, and the dielectric and electromagnetic absorption (EA) properties were first reported. The results show that a composite consisting of 30 wt. % FL-WS2 exhibited an effective EA bandwidth of 4.6 GHz at a thickness of 2.5 mm. Meanwhile, the strongest absorption point (RLstr) can reach −63.0 dB. The most noteworthy is that the FL-WS2 based composite can completely absorb the electromagnetic energy from X (8–12 GHz) and Ku (12–18 GHz) bands. These results indicate that FL-WS2 has practical applications against electromagnetic pollution in the future.
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