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Issue 20, 2013
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Inkjet printing and vapor phase polymerization: patterned conductive PEDOT for electronic applications

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Abstract

High conductivity poly(3,4-ethylenedioxythiophene) (PEDOT) was synthesized using the vacuum vapor phase polymerization (VPP) process on micro-patterned oxidant tracks. Using inkjet printing to deposit the oxidant solution containing the triblock copolymer, poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol), sub-micron PEDOT tracks are achieved with the conductivity approaching 1000 S cm−1. This is the highest reported conductivity for patterned PEDOT when compared to patterns obtained by printing or nano-lithographic techniques. In addition, the VPP PEDOT tracks are also shown to be electroactive, making this material suitable as an active component in flexible electronic devices. To demonstrate the principle, an electrical circuit containing the PEDOT tracks as an active component was devised using the concept of an organic electrochemical transistor (OECT).

Graphical abstract: Inkjet printing and vapor phase polymerization: patterned conductive PEDOT for electronic applications

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Publication details

The article was received on 25 Feb 2013, accepted on 15 Apr 2013 and first published on 15 Apr 2013


Article type: Paper
DOI: 10.1039/C3TC30356J
Citation: J. Mater. Chem. C, 2013,1, 3353-3358
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    Inkjet printing and vapor phase polymerization: patterned conductive PEDOT for electronic applications

    R. Brooke, D. Evans, M. Dienel, P. Hojati-Talemi, P. Murphy and M. Fabretto, J. Mater. Chem. C, 2013, 1, 3353
    DOI: 10.1039/C3TC30356J

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