URN to cite this document: urn:nbn:de:bvb:703-epub-8684-0
Title data
Schmidt, Marius ; Riecken, Carina ; Zussman, Eyal ; Agarwal, Seema ; Schmalz, Holger ; Greiner, Andreas:
Regio‐Selective Functionalisation of Electrospun Materials at the Microscale.
In: Advanced Materials Interfaces.
Vol. 12
(2025)
Issue 6
.
- 2400666.
ISSN 2196-7350
DOI der Verlagsversion: https://doi.org/10.1002/admi.202400666
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Abstract
Electrospun nonwovens are highly versatile materials. Significant progress is achieved in terms of materials, methods, and setups, enabling a wide range of applications. However, regio-selective surface modification of electrospun fibers along their longitudinal axes remains an open challenge. This paper addresses this challenge and presents side-by-side electrospinning as a straightforward method for producing functional bead-on-string (BOS) fibers. The functional beads carry tertiary amino groups as a platform for further modifications. The beads are arranged in recurring distances along the fiber, allowing a precise fiber modification on the micron scale. This arrangement has been used for modifications with a fluorescent dye and gold nanoparticles (AuNP) in a highly precise and regio-selective manner. AuNP decorated BOS fiber nonwovens show excellent performance as heterogenous catalysts under flow conditions demonstrating low pressure drop, high turnover frequency, and recyclability.

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