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http://dx.doi.org/10.5805/SFTI.2021.23.4.527

Fabrication of PEDOT:PSS/AgNW-based Electrically Conductive Smart Textiles Using the Screen Printing Method and its Application to Signal Transmission Lines  

Kang, Heeeun (Dept. of Clothing & Textiles, Yonsei University)
Lee, Eugene (Dept. of Clothing & Textiles, Yonsei University)
Cho, Gilsoo (Dept. of Clothing & Textiles, Yonsei University)
Publication Information
Fashion & Textile Research Journal / v.23, no.4, 2021 , pp. 527-535 More about this Journal
Abstract
In this study, electroconductive textiles were developed by screen-printing technology using a complex solution of PEDOT:PSS/AgNW on a polylactic acid nanofiber web. A performance evaluation was then conducted to utilize this electroconductive textile as a signal transmission line. To obtain highly conductive electroconductive textiles, this study sought to determine the optimal mixing ratio of PEDOT:PSS/AgNW. Sheet resistance was measured to evaluate the electrical properties of electroconductive textiles, Finite element-scanning electron microscopy images were then used to examine surface properties, and Fourier transform-infrared analysis was performed to evaluate chemical properties. The signal waveform characteristics of the electroconductive textile were observed using a signal generator and an oscilloscope. Radio-frequency characteristics were then evaluated to confirm frequency range, and bending tests were conducted to evaluate durability. The signal transmission lines produced in this study had a sheet resistance value of 3.30 ?/sq, and signal transmission performance was evaluated to observe that the input value of the voltage was nearly identical to the output value. In addition, S21 analysis confirmed that it was available in the frequency domain up to 35 MHz. The performances of the transmission lines were maintained after 100, 200, 500, and 1,000 repeated bending tests, and sufficient durability was confirmed.
Keywords
PLA nanofiber web; screen printing; signal transmission lines; smart textiles;
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Times Cited By KSCI : 3  (Citation Analysis)
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