Simplified large-area manufacturing of organic electrochemical transistors combining printing and a self-aligning laser ablation step

Thomas Blaudeck; Peter Andersson Ersman; Mats Sandberg; Sebastian Heinz; Ari Laiho; Jiang Liu; Isak Engquist; Magnus Berggren; Reinhard R. Baumann

doi:10.1002/adfm.201102827

Simplified large-area manufacturing of organic electrochemical transistors combining printing and a self-aligning laser ablation step

Thomas Blaudeck, Peter Andersson Ersman, Mats Sandberg, Sebastian Heinz, Ari Laiho, Jiang Liu, Isak Engquist, Magnus Berggren^*, Reinhard R. Baumann

^*Corresponding author for this work

Department of Neuroscience and Biomedical Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

28 Citations (Scopus)

Abstract

A hybrid manufacturing approach for organic electrochemical transistors (OECTs) on flexible substrates is reported. The technology is based on conventional and digital printing (screen and inkjet printing), laser processing, and post-press technologies. A careful selection of the conductive, dielectric, and semiconductor materials with respect to their optical properties enables a self-aligning pattern formation which results in a significant reduction of the usual registration problems during manufacturing. For the prototype OECTs, based on this technology, on/off ratios up to 600 and switching times of 100 milliseconds at gate voltages in the range of 1 V were obtained.

Original language	English
Pages (from-to)	2939-2948
Number of pages	10
Journal	Advanced Functional Materials
Volume	22
Issue number	14
DOIs	https://doi.org/10.1002/adfm.201102827
Publication status	Published - 24 Jul 2012
MoE publication type	A1 Journal article-refereed

Keywords

inkjet printing
laser ablation
organic electrochemical transistors
printed electronics
screen printing

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10.1002/adfm.201102827

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AU - Liu, Jiang

AU - Engquist, Isak

AU - Berggren, Magnus

AU - Baumann, Reinhard R.

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Simplified large-area manufacturing of organic electrochemical transistors combining printing and a self-aligning laser ablation step

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Keywords

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