Synergistic Interface Platforms: Designing Superhydrophilic Conductive Nanoparticle-Decorated Nanofibrous Membranes

Antonios Keirouz, Ute Jungwirth, Arthur Graf, Hannah S. Leese

Research output: Contribution to journalArticlepeer-review


In today's technological landscape, advancing methods for producing conductive membranes that simplify and streamline the development of advanced interface materials is crucial. This study introduces a versatile and innovative method for fabricating superhydrophilic, conductive nanofibrous membranes based on the in situ synthesis of polypyrrole nanoparticles on poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) electrospun fibers. The composite membranes morphologically exhibit a particle-decorated nanofibrous configuration, with polypyrrole nanoparticles distributed along the individual fibers' surface. The nanoparticle-nanofiber configuration shows distinctive properties; electrochemically, the electrospun mats demonstrate excellent inherent electrical conductivity, good cyclic and high electrochemical stability, and low resistance. Furthermore, the amphiphilic and superhydrophilic behavior, achieved through nanotopography, porosity and interactions between the intrinsically conductive polymer and the PVDF-HFP fibers, enables efficient uptake of polar and nonpolar analytes. The membranes also demonstrate good in vitro cell viability of both murine and human fibroblasts. Given its efficient interaction with liquids and omnidirectional 360-degree conductivity, this material emerges as an excellent candidate for use as a biocompatible, multifunctional interface layer. The produced nanoparticle-nanofibrous membrane materials offer a promising platform for interface applications, featuring enhanced spatiotemporal configurations and wide-ranging applicability.
Original languageEnglish
Number of pages13
JournalAdvanced Materials Interfaces
Early online date9 Apr 2024
Publication statusE-pub ahead of print - 9 Apr 2024

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.


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