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. 2016 Jan 14;9:521. doi: 10.3389/fnins.2015.00521

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Copyright © 2016 Cellot, Lagonegro, Tarabella, Scaini, Fabbri, Iannotta, Prato, Salviati and Ballerini.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Current-Voltage characteristics of the PEDOT:PSS layers doped with different concentration of EG. (B) Water contact angles of the PEDOT:PSS layers doped with different concentration of EG. (C) 10 × 10 μm² AFM images (left column) and the corresponding 2.5 × 2.5 μm² magnifications (right column) of PEDOT:PSS layers doped with increasing amounts of EG (0, 1, and 3%). Brighter color areas in the image correspond to higher portions of the sample.