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Electrospun Nanofibers with Surface Oriented Lamellar Pattern and Potential Applications

Abstract

This work shows conclusively that lamellar surface patterns can be obtained with diverse ceramic compositions during electrospinning. The lamella structure formation is governed by the creation of an outer shell during the thermal treatment of initially uniform-cylindrical fibers, consisting of polymer and pre-ceramic compounds. By changing the polymer to pre-ceramic ratio in the electrospinning solution, we demonstrate for the first time a facile way to control the obtained surface structure and the orientation of the lamellas. Furthermore, the lamellar morphology was illustrated in seven different compositions. This report provides a new pathway to obtain unique surface patterns in metal-oxide nanofibers and demonstrate their utilization in different applications. Specifically, we demonstrate the prospect of utilizing Ni-Al-O fibers with lamellar structure as alternative Li-ion battery anodes. In addition, we show the potential of Fe-Al-O fibers as an effective catalyst material.

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Supplementary files

Article information


Submitted
02 Apr 2020
Accepted
20 May 2020
First published
21 May 2020

Nanoscale, 2020, Accepted Manuscript
Article type
Paper

Electrospun Nanofibers with Surface Oriented Lamellar Pattern and Potential Applications

O. Elishav, Y. Shener, V. Beilin, G. E. Shter, B. Ng, W. E. Mustain, M. V. Landau, M. Herskowitz and G. S. Grader, Nanoscale, 2020, Accepted Manuscript , DOI: 10.1039/D0NR02641G

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