All-printed large-scale integrated circuits based on organic electrochemical transistors

Peter Andersson Ersman (), Roman Lassnig, Jan Strandberg, Deyu Tu, Vahid Keshmiri, Robert Forchheimer, Simone Fabiano (), Göran Gustafsson and Magnus Berggren ()
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Peter Andersson Ersman: RISE Acreo, Department of printed electronics
Roman Lassnig: RISE Acreo, Department of printed electronics
Jan Strandberg: RISE Acreo, Department of printed electronics
Deyu Tu: Laboratory of organic electronics, Department of science and technology, Linköping University
Vahid Keshmiri: Information Coding Group, Department of electrical engineering, Linköping University
Robert Forchheimer: Information Coding Group, Department of electrical engineering, Linköping University
Simone Fabiano: Laboratory of organic electronics, Department of science and technology, Linköping University
Göran Gustafsson: RISE Acreo, Department of printed electronics
Magnus Berggren: Laboratory of organic electronics, Department of science and technology, Linköping University

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract The communication outposts of the emerging Internet of Things are embodied by ordinary items, which desirably include all-printed flexible sensors, actuators, displays and akin organic electronic interface devices in combination with silicon-based digital signal processing and communication technologies. However, hybrid integration of smart electronic labels is partly hampered due to a lack of technology that (de)multiplex signals between silicon chips and printed electronic devices. Here, we report all-printed 4-to-7 decoders and seven-bit shift registers, including over 100 organic electrochemical transistors each, thus minimizing the number of terminals required to drive monolithically integrated all-printed electrochromic displays. These relatively advanced circuits are enabled by a reduction of the transistor footprint, an effort which includes several further developments of materials and screen printing processes. Our findings demonstrate that digital circuits based on organic electrochemical transistors (OECTs) provide a unique bridge between all-printed organic electronics (OEs) and low-cost silicon chip technology for Internet of Things applications.

Date: 2019
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DOI: 10.1038/s41467-019-13079-4

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