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Applied Sciences
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Electrospinning Technology: Control of Morphology for Nanostructure
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Electrospinning Technology: Control of Morphology for Nanostructure

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 18517

Special Issue Editor

Dr. Luca Lozzi

E-Mail Website
Guest Editor
Department of Physical and Chemical Sciences, University of L'Aquila, via Vetoio, I-67100 Coppito, L'Aquila, Italy
Interests: electrospinning, metal oxide and polymeric nanofibers, metal-organic interfaces for organic devices, carbon nanotubes and thin organic films as gas sensors, carbon nanotubes-organic molecules interfaces for sensors devices, surface and interface properties of clean surfaces

Special Issue Information

Dear Colleagues,

This Special Issue will be devoted to presenting an overview of the different methods of deposition by means of the electrospinning of nanofibers with controlled morphology, such as size, length, surface area-to-volume ratio, presence of defects, porosity, etc. All types of materials, such as polymers, metal oxides, synthetic or natural materials, composites, and ceramics, will be considered. This Special Issue will cover all applications of nanofibers, such as tissue engineering, sensing systems, membranes, drug delivery, new generation rechargeable batteries, protective clothing, energy production, etc. Contribution from research centers, universities, and industries will be presented.

Dr. Luca Lozzi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electrospinning
  • nanofibers
  • morphology
  • nanostructures
  • non-woven mats
  • 1D structures
  • 3D nanofiber structures

Published Papers (3 papers)

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Research

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10 pages, 3471 KiB  
Article
Enhancement of the Oil Absorption Capacity of Poly(Lactic Acid) Nano Porous Fibrous Membranes Derived via a Facile Electrospinning Method
by Jun-Wei Liang, Gajula Prasad, Shi-Cai Wang, Jia-Lin Wu and Sheng-Guo Lu
Appl. Sci. 2019, 9(5), 1014; https://0-doi-org.brum.beds.ac.uk/10.3390/app9051014 - 12 Mar 2019
Cited by 31 | Viewed by 4500
Abstract
Oil spilling has been a serious problem in the world for a long time, which can bring toxic substances to marine life. A large number of researchers around the world have introduced many measures to address this problem. One of the effective methods [...] Read more.
Oil spilling has been a serious problem in the world for a long time, which can bring toxic substances to marine life. A large number of researchers around the world have introduced many measures to address this problem. One of the effective methods to remove oil from the oil/water mixture is to absorb oil from the mixture. Here, we prepared porous poly(lactic acid) (PLA) membranes using the electrospinning approach with different sized syringe needles, and used these membranes to absorb oil from the top of the water. It was found that the diameter of the needle has a big impact on the size and structure of the pores on the PLA fibers. The oil absorption capacity of membranes increases with a decreasing needle diameter due to the increased pore volume and specific surface area. The highest absorption capacity reached was 42.38 g/g for vacuum pump oil, 28.17 g/g for peanut oil, and 6.74 g/g for diesel oil. Full article
(This article belongs to the Special Issue Electrospinning Technology: Control of Morphology for Nanostructure)
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16 pages, 4320 KiB  
Article
Synthesis, Characterization and Photocatalytic Activity of Nanocrystalline First Transition-Metal (Ti, Mn, Co, Ni and Zn) Oxisde Nanofibers by Electrospinning
by Yu Chen, Weipeng Lu, Yanchuan Guo, Yi Zhu, Haojun Lu and Yeping Song
Appl. Sci. 2019, 9(1), 8; https://0-doi-org.brum.beds.ac.uk/10.3390/app9010008 - 20 Dec 2018
Cited by 11 | Viewed by 3780
Abstract
In this work, five nanocrystalline first transition-metal (Ti, Mn, Co, Ni and Zn) oxide nanofibers were prepared by electrospinning and controlled calcination. The morphology, crystal structure, pore size distribution and specific surface area were systematically studied by scanning electron microscope (SEM), transmission electron [...] Read more.
In this work, five nanocrystalline first transition-metal (Ti, Mn, Co, Ni and Zn) oxide nanofibers were prepared by electrospinning and controlled calcination. The morphology, crystal structure, pore size distribution and specific surface area were systematically studied by scanning electron microscope (SEM), transmission electron microscope (TEM), surface and pore analysis, and thermo gravimetric analyzer (TGA). The results reveal that the obtained nanofibers have a continuously twisted three-dimensional scaffold structure and are composed of neat nanocrystals with a necklace-like arrangement. All the samples possess high specific surface areas, which follow the order of NiO nanofiber (393.645 m2/g) > TiO2 nanofiber (121.445 m2/g) > ZnO nanofiber (57.219 m2/g) > Co3O4 nanofiber (52.717 m2/g) > Mn2O3 nanofiber (18.600 m2/g). Moreover, the photocatalytic degradation of methylene blue (MB) in aqueous solution was investigated in detail by employing the five kinds of metal oxide nanofibers as photocatalysts under ultraviolet (UV) irradiation separately. The results show that ZnO, TiO2 and NiO nanofibers exhibit excellent photocatalytic efficiency and high cycling ability to MB, which may be ascribed to unique porous structures and the highly efficient separation of photogenerated electron-hole pairs. In brief, this paper aims to provide a feasible approach to achieve five first transition-metal oxide nanofibers with excellent performance, which is important for practical applications. Full article
(This article belongs to the Special Issue Electrospinning Technology: Control of Morphology for Nanostructure)
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Review

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17 pages, 1907 KiB  
Review
Morphology and Properties of Electrospun PCL and Its Composites for Medical Applications: A Mini Review
by Mokgaotsa Jonas Mochane, Teboho Simon Motsoeneng, Emmanuel Rotimi Sadiku, Teboho Clement Mokhena and Jeremia Shale Sefadi
Appl. Sci. 2019, 9(11), 2205; https://0-doi-org.brum.beds.ac.uk/10.3390/app9112205 - 29 May 2019
Cited by 143 | Viewed by 9900
Abstract
Polycaprolactone (PCL) is one of the most used synthetic polymers for medical applications due to its biocompatibility and slow biodegradation character. Combining the inherent properties of the PCL matrix with the characteristic of nanofibrous particles, result into promising materials that can be suitable [...] Read more.
Polycaprolactone (PCL) is one of the most used synthetic polymers for medical applications due to its biocompatibility and slow biodegradation character. Combining the inherent properties of the PCL matrix with the characteristic of nanofibrous particles, result into promising materials that can be suitable for different applications, including the biomedical applications. The advantages of nanofibrous structures include large surface area, a small diameter of pores and a high porosity, which make them of great interest in different applications. Electrospinning, as technique, has been heavily used for the preparation of nano- and micro-sized fibers. This review discusses the different methods for the electrospinning of PCL and its composites for advanced applications. Furthermore, the steady state conditions as well as the effect of the electrospinning parameters on the resultant morphology of the electrospun fiber are also reported. Full article
(This article belongs to the Special Issue Electrospinning Technology: Control of Morphology for Nanostructure)
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