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Tensile versus AFM testing of electrospun PVA nanofibers : bridging the gap from microscale to nanoscale

Title data

Neugirg, Benedikt R. ; Burgard, Matthias ; Greiner, Andreas ; Fery, Andreas:
Tensile versus AFM testing of electrospun PVA nanofibers : bridging the gap from microscale to nanoscale.
In: Journal of Polymer Science Part B: Polymer Physics. Vol. 54 (2016) Issue 23 . - pp. 2418-2424.
ISSN 1099-0488
DOI: https://doi.org/10.1002/polb.24225

Abstract in another language

Design and application of mechanically extraordinary nanofibers requires their full comprehension, based on conclusive testing methods. Electrospun polymer nanofibers, for instance, show a progressive and pronounced increase in their Young's moduli when diameters decrease below the µm scale. Measurement of mechanical properties in this diameter range is challenging and in the vast majority of reports, two classes of methods are commonly used: highly sensitive tensile testing and atomic force microscopy three‐point deformation testing. Despite the methods' inherent dissimilarity, we resolve their conformity for the first time, with respect to the determination of Young's moduli. Here, we benchmark them against each other for electrospun polyvinyl‐alcohol nanofibers, a well‐defined model system. Our results provide an experimental basis for a comprehensive understanding of nanofiber structures and its implications on their mechanical properties.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 15 Aug 2018 13:57
Last Modified: 15 Aug 2018 13:57
URI: https://eref.uni-bayreuth.de/id/eprint/45479