EDOT polymerization at photolithographically patterned functionalized graphene
Petr Kova\v{r}\'i\v{c}ek, Karolina Drogowska, Zuzana Kom\'inkov\'a, Meln\'ikov\'a, V\'aclav Blechta, Zden\v{e}k Bastl, Daniel Gromadzki, Michaela, Fridrichov\'a, Martin Kalb\'a\v{c}
TL;DR
This paper demonstrates the in situ polymerization of EDOT on covalently functionalized graphene to create patterned PEDOT:Graphene bilayers with high spatial resolution, exhibiting improved electrochemical and electronic properties.
Contribution
It introduces a method for patterned polymerization of PEDOT on functionalized graphene, enabling high-resolution device fabrication with enhanced properties.
Findings
Patterned PEDOT:Graphene bilayers with 3 μm resolution.
Enhanced electrochemical doping efficiency.
Good hole-transporting properties and electronic communication.
Abstract
Graphene possesses unique features that make it attractive for nanotechnology. Functional devices often require combination of several materials with specific functions, and graphene-polymer composites are one of them. Herein, we report on the preparation of PEDOT:Graphene bilayers by in situ polymerization of EDOT on covalently functionalized graphene. The polymerization proceeds exclusively on the grafted graphene, and patterned structures with high spatial resolution down to 3 {\mu}m could have been prepared. The composite exhibits enhanced efficiency of electrochemical doping compared to pristine graphene, unsymmetrical transport characteristic with very good hole-transporting properties and efficient electronic communication between the two materials.
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