Dear Colleagues,

Nanofiber membrane structures with nanoscale diameters, created through electrospinning, have many fascinating properties (e.g., excellent mechanical properties and large surface-to-volume ratios), making them ideal candidates for addressing many emerging environmental challenges, such as air and water pollution problems. Their larger surface areas also make them highly functionalized. Among the many techniques available for the production of nanofibers, electrospinning has rapidly emerged as a simple process that, through the careful control of operating conditions and polymer solution properties, can produce smooth nonwoven nanofibers with highly porous structures. Compared with the traditional phase inversion membrane preparation technology, electrospinning can form interconnected pores of uniform size and porosity of over 90%. Furthermore, the ability to combine an innovative and scalable electrospinning process with flexible surface treatments, such as chemical modification, plasma treatment, ultra-thin coatings, etc., makes them particularly suitable for the manufacture of water filtration membranes for various applications. It is clear that the selection of suitable materials and incorporation routes to introduce the desired functionality during or after electrospinning is critical to producing suitable nanofiber membrane systems for specific purposes.

This Special Issue focuses on recent theoretical developments and the practical applications of electrospun nanofiber membranes. It aims to attract researchers from academia and industry to advance the existing knowledge of nanofiber membrane electrospinning technology and to generate new ideas for future applications and new technologies. In this Special Issue, we invite contributions from major groups in the field with the aim of giving a balanced view of the current state of the art in this discipline. Potential topics include, but are not limited to:

• Study of the optimal design of the electrospinning process and properties of nanofiber membranes;
• Application of electrospinning nanofiber membrane, such as water treatment and air filtration;
• Structure design of electrospinning nanofiber membrane;
• Functional finishing and advanced application of electrospinning nanofiber membrane;
• Study on forming mechanism and theory of electrospinning nanofiber membrane;
• Study on electrospinning nanofiber membrane and fabric/non-woven composite technology and application.

Dr. Hongnan Zhang
Dr. Liming Wang
Dr. Dongxiao Ji
Guest Editors

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• electrospinning
• nanofiber membrane
• nanoscale diameters
• porous structures
• surface treatments
• water filtration