Conductive PEDOT-Dominant Surface of Transparent Electrode Patch via Selective Phase Transfer for Efficient Flexible Photoelectronic Devices.

ACS Appl Mater Interfaces

Department of Intelligent Semiconductor Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea.

Published: July 2024

AI Article Synopsis

  • A conductive patch for flexible organic optoelectronic devices has been developed using a highly conductive PEDOT:PSS polymer electrode, leveraging a transfer process for optimal conductivity and charge collection.
  • The transfer process enhances the surface properties of the PEDOT:PSS by inducing phase inversion, which results in better performance and reduced power loss due to lower leakage current.
  • The flexible photoelectronic devices show excellent bending stability, maintaining performance over 1000 cycles, highlighting the effectiveness of the transfer process in improving the functionality and morphology of the conductive patch.

Article Abstract

In this study, a conductive patch for a flexible organic optoelectronic device is proposed and implemented using a poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) polymer electrode based on a transfer process to achieve its high conductivity with an efficient conductive pathway. This PEDOT-dominant surface is induced by phase inversion during the transfer process owing to the solvent affinity of the PSS phase. The PEDOT:PSS patch formed by the transfer process minimizes the power loss in a flexible optoelectronic device due to the improved charge collection and suppressed leakage current responses. In addition, the bending stability of the flexible photoelectronic device is also enhanced by maintaining performance for 1000 bending cycles. Therefore, in the fabrication of a transparent flexible conductive PEDOT:PSS patch, the transfer process of a conducting polymer constitutes an effective strategy that can improve conductivity and embellished morphology.

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Source
http://dx.doi.org/10.1021/acsami.4c07526DOI Listing

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