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Journal of Materials Science
Erschienen in: Journal of Materials Science 5/2017

04.11.2016 | Original Paper

Fabrication of PVDF hierarchical fibrillar structures using electrospinning for dry-adhesive applications

verfasst von: Rahul Sahay, Hashina Parveen, Avinash Baji, V. Anand Ganesh, Anupama Sargur Ranganath

Erschienen in: Journal of Materials Science | Ausgabe 5/2017

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Abstract

We report the fabrication of hierarchical poly(vinylidene fluoride) (PVDF) fibrous structures using a unique fabrication technique based on electrospinning. Electrospinning was used to fabricate aligned PVDF fibrous membranes. These membranes were then brought in contact with anodized aluminum oxide (AAO) template and then heat-treated above the glass transition temperature (T g) of the polymer to assist the flow of polymer within the cylindrical pores of AAO template. Scanning electron microscopy images confirmed that this approach lead to the growth of nanopillars on the surface of PVDF fibers. Nanoindenter was used to measure the pull-off force that was required to completely detach the indenter from the samples. To investigate the effect of hierarchy, pull-off force required to detach the indenter from neat PVDF fibers was determined and compared with the pull-off force recorded for hierarchical fibers. The effect of indentation depth was also investigated on both PVDF fibers and PVDF fiber with nanopillars. Significant pull-off force recorded indicates that these PVDF hierarchical fibrous structures can be potentially used for dry-adhesive applications.
Vorheriger Artikel The effect of activation methods on the electrochemical performance of ordered mesoporous carbon for supercapacitor applications
Nächster Artikel Improved cycling stability of the capping agent-free nanocrystalline FeS2 cathode via an upper cut-off voltage control

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Metadaten
Titel
Fabrication of PVDF hierarchical fibrillar structures using electrospinning for dry-adhesive applications
verfasst von
Rahul Sahay
Hashina Parveen
Avinash Baji
V. Anand Ganesh
Anupama Sargur Ranganath
Publikationsdatum
04.11.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 5/2017
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-016-0537-9

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