Abstract
In this paper, silver nanowires/polyaniline (Ag/PANI) composites were prepared by an in situ synthesis method. Interestingly, the permittivity changed from positive to negative along with the formation of percolation network. The plasma oscillations of free electrons from the network made a dominant effect on the negative permittivity behavior. Further investigation revealed that the composites with negative permittivity presented inductive character. The polymer-based epsilon-negative composites can be applied to electromagnetic shielding, flexible electronic devices, and stretchable sensors.
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The authors sincerely thank the Innovation Program of Shanghai Municipal Education Commission (2019-01-07-00-10-E00053) and Shanghai Engineering Technology Research Centre of Deep Offshore Material (19DZ2253100) for their financial supports.
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Tian, J., Sun, K., Fan, R. et al. Negative permittivity behavior in silver nanowire-assisted polyaniline metacomposites induced by the low-frequency plasmonic oscillation. J Mater Sci: Mater Electron 32, 26851–26856 (2021). https://doi.org/10.1007/s10854-021-07061-4
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DOI: https://doi.org/10.1007/s10854-021-07061-4