Electrospinning Nanofibers

A special issue of Fibers (ISSN 2079-6439).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 853

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Department of Physics, Faculty of Electrical Engineering and Communication, Brno University of Technology, 61600 Brno, Czech Republic
Interests: material; thin films; surface; microscopy; polymers
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Special Issue Information

Dear Colleagues,

Innovations in electrospinning techniques, including multi-jet and coaxial methods, have enabled the production of nanofibers with complex architectures and multifunctional properties. This issue covers a broad range of materials used for electrospinning, from natural and synthetic polymers to inorganic compounds, and highlights their roles in enhancing performance in diverse applications.

Notably, electrospun nanofibers are making significant strides in biomedical fields, such as tissue engineering and drug delivery, by mimicking the extracellular matrix and facilitating the controlled release of therapeutic agents. They also show promise in environmental applications, including water filtration and air purification, as well as in energy technologies, where they contribute to the development of advanced batteries and solar cells. This Special Issue also addresses the future of electrospinning, discussing ongoing challenges and the potential for integrating electrospinning with other manufacturing techniques to further advance the field. 

Dr. Dinara Sobola
Guest Editor

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Keywords

  • electrospinning
  • drug delivery systems
  • environmental protection
  • water filtration
  • air purification
  • energy storage
  • advanced batteries
  • solar cells
  • coaxial electrospinning
  • multi-jet electrospinning
  • synthetic polymers
  • natural polymers
  • inorganic nanomaterials
  • controlled release
  • nanofiber scaffolds
  • functional nanofibers
  • composite nanofibers

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Published Papers (1 paper)

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Research

20 pages, 21295 KiB  
Article
Influence of the PAN:PEO Ratio on the Morphology of Needleless Electrospun Nanofiber Mats Before and After Carbonization
by Nonsikelelo Sheron Mpofu, Yusuf Topuz, Elzbieta Stepula, Uwe Güth, Timo Grothe, Jan Lukas Storck, Martin Wortmann, Boris Mahltig and Andrea Ehrmann
Fibers 2024, 12(11), 97; https://doi.org/10.3390/fib12110097 - 8 Nov 2024
Viewed by 565
Abstract
Nanofiber mats with a high surface-to-volume ratio can be prepared by electrospinning. The Porosity is sometimes reported to be tunable by blending different materials, e.g., water-soluble poly(ethylene oxide) (PEO) with not water-soluble poly(acrylonitrile) (PAN). Here, nanofiber mats were electrospun from different PAN:PEO ratios, [...] Read more.
Nanofiber mats with a high surface-to-volume ratio can be prepared by electrospinning. The Porosity is sometimes reported to be tunable by blending different materials, e.g., water-soluble poly(ethylene oxide) (PEO) with not water-soluble poly(acrylonitrile) (PAN). Here, nanofiber mats were electrospun from different PAN:PEO ratios, using a wire-based electrospinning machine “Nanospider Lab”. Investigations of the as-spun nanofiber mats as well as of membranes after washing off the water-soluble PEO by scanning electron microscopy (SEM) revealed severe differences in the nanofiber mat morphologies, such as varying fiber diameters and especially non-fibrous areas in the carbonized nanofiber mats, depending on the amount of PEO in the nanofiber mat as well as the molecular weight of the PEO. Similarly, the ratio and molecular weight of PEO influenced the results of stabilization and carbonization. This paper discusses the possibility of tailoring nanofiber porosity for the potential use of PAN nanofiber mats in tissue engineering, filtration, and other applications. Full article
(This article belongs to the Special Issue Electrospinning Nanofibers)
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