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SpringerOpen, Nanoscale Research Letters, 1(8), 2013

DOI: 10.1186/1556-276x-8-147

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High-reproducibility, flexible conductive patterns fabricated with silver nanowire by drop or fit-to-flow method

Journal article published in 2013 by Yu Tao, Yuxiao Tao, Liuyang Wang, Biaobing Wang, Zhenguo Yang, Yanlong Tai
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

An unusual strategy was designed to fabricate conductive patterns with high reproducibility for flexible electronics by drop or fit-to-flow method. Silver nanowire (SNW) ink with surface tension of 36.9 mN/m and viscosity of 13.8 mPa s at 20[degree sign]C was prepared and characterized using a field emission transmission electron microscope, X-ray diffractometer, thermogravimetric analyzer, scanning electron microscope, and four-point probe. Polydimethylsiloxane (PDMS) pattern as template was fabricated by spin coating (500 rpm), baking at 80[degree sign]C for 3 h, and laser cutting. The prepared SNW ink can flow along the trench of the PDMS pattern spontaneously, especially after plasma treatment with oxygen, and show a low resistivity of 12.9 mu[greek capital letter omega] cm after sintering at 125[degree sign]C for 30 min. In addition, an antenna pattern was also prepared to prove the feasibility of the approach.