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Effective Fabrication of Flexible Negative Refractive Index Metamaterials Using a Facile Screen Printing Method

Abstract

Flexible negative refractive index metamaterials (NIMs), composed of two conductive metallic layers separated by 0.75 mm-thick polyimide film, is fabricated through a facile and effective screen printing method. Benefiting from the ultra-high conductivity of the 3 µm Ag layers, the NIMs exhibit negative refraction on a wide frequency range of 3 GHz, while the thickness is only 0.756 mm. The NIMs show excellent flexibility with a minimum bending diameter of 20 mm without degradation of Ag layer, due to the strong adhesion between Ag and polymer substrate. Furthermore, the fabricated flexible NIMs show amazing stability at a temperature of 25 oC and a relative humidity of 30% for 10 months.

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Publication details

The article was received on 14 Mar 2017, accepted on 08 May 2017 and first published on 09 May 2017


Article type: Paper
DOI: 10.1039/C7TC01091E
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    Effective Fabrication of Flexible Negative Refractive Index Metamaterials Using a Facile Screen Printing Method

    W. li, M. Chen, H. Jin, J. Liu, Z. Zeng, H. Zhang and Z. Zhang, J. Mater. Chem. C, 2017, Accepted Manuscript , DOI: 10.1039/C7TC01091E

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