Abstract
A polyimide (PI)-based flexible monopole antenna fed by coplanar waveguide (CPW) was fabricated by self-assembly technology. The measured characteristics indicate that the antenna under the flat state has the resonant frequency is f = 2.32 GHz, and the impedance bandwidths (|S11|< − 10 dB) are 36.44% (2.02–2.92 GHz). The radiation characteristics of the flexible monopole antenna in bending and folding states along different directions (X- and Y-axis) are tested. Whether it is flat, bent or folded, the measured results meet the requirements of the antenna. The formed silver layers fabricated by self-assembly technology have good flexibility. The designed flexible monopole antenna is promised for integration within future flexible electronics.
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Acknowledgements
Manuscript received XX, 2021. This work is supported in part by the Key Program of Jiangsu Provincial Department of Education (17KJA470007), the Project of Nantong Science and Technology (JC2019112), Shanghai Key Laboratory of Multidimensional Information Processing (2020PIP003) and the Fundamental Research Funds for the Central Universities (Corresponding author: Zhi-Liang Wang).
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All authors contributed to the study conception and design. Z-LW guided the experiment. Numerical simulations, experimental measurements and analysis were performed by YL, D-YC, J-SG. YL wrote the manuscript.
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Liu, Y., Wang, ZL., Cang, DY. et al. A polyimide-based flexible monopole antenna. J Mater Sci: Mater Electron 33, 1686–1702 (2022). https://doi.org/10.1007/s10854-022-07725-9
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DOI: https://doi.org/10.1007/s10854-022-07725-9