Intrinsically stretchable and transparent thin-film transistors based on printable silver nanowires, carbon nanotubes and an elastomeric dielectric

Jiajie Liang, Lu Li, Dustin Chen, Tibor Hajagos, Zhi Ren, Shu-Yu Chou, Wei Hu and Qibing Pei ()
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Jiajie Liang: Henry Samuli School of Engineering and Applied Science, University of California
Lu Li: Henry Samuli School of Engineering and Applied Science, University of California
Dustin Chen: Henry Samuli School of Engineering and Applied Science, University of California
Tibor Hajagos: Henry Samuli School of Engineering and Applied Science, University of California
Zhi Ren: Henry Samuli School of Engineering and Applied Science, University of California
Shu-Yu Chou: Henry Samuli School of Engineering and Applied Science, University of California
Wei Hu: Henry Samuli School of Engineering and Applied Science, University of California
Qibing Pei: Henry Samuli School of Engineering and Applied Science, University of California

Nature Communications, 2015, vol. 6, issue 1, 1-10

Abstract: Abstract Thin-film field-effect transistor is a fundamental component behind various mordern electronics. The development of stretchable electronics poses fundamental challenges in developing new electronic materials for stretchable thin-film transistors that are mechanically compliant and solution processable. Here we report the fabrication of transparent thin-film transistors that behave like an elastomer film. The entire fabrication is carried out by solution-based techniques, and the resulting devices exhibit a mobility of ∼30 cm2 V−1 s−1, on/off ratio of 103–104, switching current >100 μA, transconductance >50 μS and relative low operating voltages. The devices can be stretched by up to 50% strain and subjected to 500 cycles of repeated stretching to 20% strain without significant loss in electrical property. The thin-film transistors are also used to drive organic light-emitting diodes. The approach and results represent an important progress toward the development of stretchable active-matrix displays.

Date: 2015
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DOI: 10.1038/ncomms8647

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