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Micromachines 2019, 10(1), 42; https://doi.org/10.3390/mi10010042

Silver Nanowire Ink for Flexible Circuit on Textiles

1
School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
2
Department of Materials and Food, University of Electronic Science and Technology of China Zhongshan Institute, Zhongshan 528402, China
3
Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Received: 16 December 2018 / Revised: 3 January 2019 / Accepted: 7 January 2019 / Published: 9 January 2019
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Abstract

Low cost electronics implemented in textiles could pave the way to a fully new generation of smart products in the fields of healthcare, sport, fashion, and safety. Although many methods have found their way into the market, many problems still need to be solved and much progress has to be made to enable the commercial exploitation of such products. In this paper, silver nanowires of 60–100 nm in diameter and 8–15 μm in length were achieved by the polyol solvothermal method, and aqueous silver nanowire conductive inks were prepared with the synthesized silver nanowires as the conductive phase, in the presence of polyaniline, guar, and hydrochloric acid. The conductive inks were printed on cotton fabric substrate by screen printing process. The effects of the amount of silver nanowires, layers of coating, and treatment temperature on the microstructure and electrical properties of samples were investigated by scanning electron microscopy and the four-point probe method. The results show that the conductivity and densification of the samples increased with increased amount of silver nanowires, layers of coating, and treatment temperature. The heat treatment helped to improve densification of the silver nanowires and conductivity of the sample. The resistance of the samples increased after bending due to loosening of the overlap between the silver nanowires. View Full-Text
Keywords: silver nanowires; textile; conductive coating; conductivity silver nanowires; textile; conductive coating; conductivity
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Du, D.; Yang, X.; Yang, Y.; Zhao, Y.; Wang, Y. Silver Nanowire Ink for Flexible Circuit on Textiles. Micromachines 2019, 10, 42.

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