Patterning of Polymer Electrodes by Nanoscratching

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Abstract

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The patterning of conducting polymer PEDOT:PSS, an excellent organic electrode material, with high resolution (50 nm, middle part of figure) on both rigid and flexible substrates by AFM nanoscratching (left part of figure) is demonstrated. The high density electrode array (108 elements cm−2) and small area electrode pair (0.5–0.6 µm2) achieved by this technique demonstrates its excellent patterning ability. The scratched nano/sub-micrometer channel shows excellent performance in organic transistors (right part of figure) with high performance and low voltage.

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