Abstract
The prominence of electromagnetic wave pollution problems in military construction and people development has promoted extensive research on electromagnetic wave-absorbing materials. In this paper, a multi-metal-loaded N, S co-doped carbon-based composite wave-absorbing material has been prepared and converted into FeNi3/MoS2@NSAPC through heat treatment on this basis. FeNi3 and MoS2 construct a multiple loss mechanism to enhance the N, S double-doped carbon-based wave-absorbing material, which demonstrates by the effective absorption. The EAB of FeNi3/MoS2@NSAPC is broadened, and the RLmin is improved. The results show that a RLmin = -60.66 dB obtains at a sample thickness of 1.4 mm, an absorber doping of 15 wt%, and an EAB of 5.19 GHz. This work explains the enhancement effect of metal in the “metal/heteroatom/carbon” composite system. It provides a basis for the study of Ni- or Mo-doped carbon-based wave-absorbing materials.
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