Direct laser writing of nanoscale undoped conductive polymer

Nanotechnology
Zhijun LuoChangsheng Xie

Abstract

The fabrication of poly 3,4-ethylene dioxythiophene (PEDOT) devices generally requires a separated strategy for EDOT polymerization and PEDOT coating, thus increasing th difficulty of their integration. With the goal of insolubility of PEDOT in a common solution, material modifications including grafting vinyl moiety groups on the side chain of the PEDOT can increase its solubility, but also markedly reduce the conductivity. Here, we report direct laser writing of pure EDOT monomer into PEDOT with a feature size of 140 nm. The PEDOT nanowire possesses the high conductivity of 1.28 × 105 S m-1 and can be patterned on solid and flexible substrates with various structures, thus paving the way towards organic highly conductive device fabrication and integration.

References

Aug 5, 2004·Journal of the American Chemical Society·Sung-Yeon JangGregory A Sotzing
May 29, 2008·Accounts of Chemical Research·Seung Il Cho, Sang Bok Lee
Feb 12, 2014·Optics Express·Kestutis KurselisBoris N Chichkov
Jan 18, 2017·Chemical Society Reviews·Christina O BakerRichard B Kaner
Mar 24, 2018·ACS Applied Materials & Interfaces·Peikai ZhangJadranka Travas-Sejdic
Sep 20, 2019·ACS Applied Materials & Interfaces·Mei Ying TeoJonathan Stringer

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