An Electrochemical Gelation Method for Patterning Conductive PEDOT:PSS Hydrogels
- An Electrochemical Gelation Method for Patterning Conductive PEDOT:PSS Hydrogels
- 이민아; Vivian Rachel Feig; Helen Tran; Kathy Liu; Zhuojun Huang; Levent Beker; David G. Mackanic; Zhenan Bao
- Issue Date
- Advanced materials
- VOL 31, NO 39-1902869
- Due to their high water content and macroscopic connectivity, hydrogels made from the conducting polymer PEDOT:PSS are a promising platform from which to fabricate a wide range of porous conductive materials that are increasingly of interest in applications as varied as bioelectronics, regenerative medicine, and energy storage. Despite the promising properties of PEDOT:PSS‐ based porous materials, the ability to pattern PEDOT:PSS hydrogels is still required to enable their integration with multifunctional and multichannel electronic devices. In this work, a novel electrochemical gelation (“electrogelation”) method is presented for rapidly patterning PEDOT:PSS hydrogels on any conductive template, including curved and 3D surfaces. High spatial resolution is achieved through use of a sacrificial metal layer to generate the hydrogel pattern, thereby enabling high‐ performance conducting hydrogels and aerogels with desirable material properties to be introduced into increasingly complex device architectures.
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