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Piezoelectric Nanofibers: Recent Development, Challenges, and Applications
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Piezoelectric Nanofibers: Recent Development, Challenges, and Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Smart Materials".

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 4076

Special Issue Editors

Dr. Ahmed H. Hassanin

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Guest Editor
1. Department of Textile Engineering, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt
2. Centre of Smart Nanotechnology and Photonics (CSNP), SmartCI Research Centre, Alexandria University, Alexandria 21544, Egypt
3. Wilson College of Textiles, North Carolina State University, Raleigh, NC, USA
Interests: fiber; nanofiber; piezoelastic; polymers; natural fiber; FRP; composites; technical textiles; nonwoven
Prof. Dr. Islam Shyha

E-Mail Website
Guest Editor
School of Engineering and the Built Environment, Edinburgh Napier University, Edinburgh EH11 4BN, UK
Interests: machining technologies; cutting tools; manufacturing; nanofibers fabrication; materials processing; composite materials
Dr. Nader Shehata

E-Mail Website
Guest Editor
1. Department of Physics, Kuwait College of Science and Technology (KCST), Kuwait City, Kuwait
2. Department of Engineering Mathematics and Physics, Faculty of Engineering, Alexandria University, Alexandria, Egypt
3. Center of Smart Materials, Nanotechnology and Photonics (CSMNP), Smart CI Research Center of Excellence, Alexandria University, Alexandria, Egypt
4. Faculty of Science, Utah State University, Logan, UT, USA
Interests: nanomaterials; energy harvesting; piezoelectricity; electrospinning; fluorescence; sensors

Special Issue Information

Dear Colleagues,

Piezoelectric membranes have been extensively investigated over the last two decades in applications of energy harvesting, smart home, efficient lighting, and wearable electronics. Polymeric nanofibers membranes have sparked an increased interest in both research and applications due to their flexibility, higher surface-to-volume ratio, and low cost. However, due to their limited transducing efficiency compared to bulky ceramics and relatively lower-scale production, there are various challenges to using such nanocomposites on a wide range of applications. Therefore, the goal of this Special Issue is to attract the most prestigious research publications on recent techniques for improving the mechanical-to-electrical transducing efficiency of nanofiber membranes. These techniques include, but are not limited to, the use of higher-performance polarized polymers, promising additives to enhance polarizability, fabrication techniques to improve the piezoelectric performance, along with different applications of developed nanofibers mats in sensors, transducers, vibration detection, acoustic harvesting, wearable electronics, and more. Review articles are also welcome, but should focus on recent trends in the field’s literature.

Dr. Ahmed H. Hassanin
Prof. Dr. Islam Shyha
Dr. Nader Shehata
Guest Editors

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. Materials 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 2600 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

  • piezoelectric
  • nanofibers
  • polarization
  • energy harvesting
  • transducer, sensor

Published Papers (3 papers)

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Research

9 pages, 13222 KiB  
Communication
Coupling of Pyro–Piezo-Phototronic Effects in a GaN Nanowire
by Guoshuai Qin, Zhenyu Wang, Lei Wang, Kun Yang, Minghao Zhao and Chunsheng Lu
Materials 2023, 16(18), 6247; https://doi.org/10.3390/ma16186247 - 17 Sep 2023
Viewed by 1075
Abstract
In this paper, we systematically investigate the synergistic regulation of ultraviolet and mechanical loading on the electromechanical behavior of a GaN nanowire. The distributions of polarization charge, potential, carriers, and electric field in the GaN nanowire are analytically represented by using a one-dimensional [...] Read more.
In this paper, we systematically investigate the synergistic regulation of ultraviolet and mechanical loading on the electromechanical behavior of a GaN nanowire. The distributions of polarization charge, potential, carriers, and electric field in the GaN nanowire are analytically represented by using a one-dimensional model that combines pyro-phototronic and piezo-phototronic properties, and then, the electrical transmission characteristics are analyzed. The results suggest that, due to the pyro-phototronic effect and ultraviolet photoexcited non-equilibrium carriers, the electrical behavior of a nano-Schottky junction can be modulate by ultraviolet light. This provides a new method for the function improvement and performance regulation of intelligent optoelectronic nano-Schottky devices. Full article
(This article belongs to the Special Issue Piezoelectric Nanofibers: Recent Development, Challenges, and Applications)
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17 pages, 6187 KiB  
Article
Nanostructured Electrospun Fibers with Self-Assembled Cyclo-L-Tryptophan-L-Tyrosine Dipeptide as Piezoelectric Materials and Optical Second Harmonic Generators
by Daniela Santos, Rosa M. F. Baptista, Adelino Handa, Bernardo Almeida, Pedro V. Rodrigues, Cidália Castro, Ana Machado, Manuel J. L. F. Rodrigues, Michael Belsley and Etelvina de Matos Gomes
Materials 2023, 16(14), 4993; https://doi.org/10.3390/ma16144993 - 14 Jul 2023
Cited by 2 | Viewed by 1339
Abstract
The potential use of nanostructured dipeptide self-assemblies in materials science for energy harvesting devices is a highly sought-after area of research. Specifically, aromatic cyclo-dipeptides containing tryptophan have garnered attention due to their wide-bandgap semiconductor properties, high mechanical rigidity, photoluminescence, and nonlinear optical behavior. [...] Read more.
The potential use of nanostructured dipeptide self-assemblies in materials science for energy harvesting devices is a highly sought-after area of research. Specifically, aromatic cyclo-dipeptides containing tryptophan have garnered attention due to their wide-bandgap semiconductor properties, high mechanical rigidity, photoluminescence, and nonlinear optical behavior. In this study, we present the development of a hybrid system comprising biopolymer electrospun fibers incorporated with the chiral cyclo-dipeptide L-Tryptophan-L-Tyrosine. The resulting nanofibers are wide-bandgap semiconductors (bandgap energy 4.0 eV) consisting of self-assembled nanotubes embedded within a polymer matrix, exhibiting intense blue photoluminescence. Moreover, the cyclo-dipeptide L-Tryptophan-L-Tyrosine incorporated into polycaprolactone nanofibers displays a strong effective second harmonic generation signal of 0.36 pm/V and shows notable piezoelectric properties with a high effective coefficient of 22 pCN−1, a piezoelectric voltage coefficient of geff=1.2 VmN−1 and a peak power density delivered by the nanofiber mat of 0.16μWcm−2. These hybrid systems hold great promise for applications in the field of nanoenergy harvesting and nanophotonics. Full article
(This article belongs to the Special Issue Piezoelectric Nanofibers: Recent Development, Challenges, and Applications)
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11 pages, 6187 KiB  
Article
Optimization of PVDF-TrFE Based Electro-Conductive Nanofibers: Morphology and In Vitro Response
by William Serrano-Garcia, Iriczalli Cruz-Maya, Anamaris Melendez-Zambrana, Idalia Ramos-Colon, Nicholas J. Pinto, Sylvia W. Thomas and Vincenzo Guarino
Materials 2023, 16(8), 3106; https://doi.org/10.3390/ma16083106 - 14 Apr 2023
Cited by 1 | Viewed by 1324
Abstract
In this study, morphology and in vitro response of electroconductive composite nanofibers were explored for biomedical use. The composite nanofibers were prepared by blending the piezoelectric polymer poly(vinylidene fluoride–trifluorethylene) (PVDF-TrFE) and electroconductive materials with different physical and chemical properties such as copper oxide [...] Read more.
In this study, morphology and in vitro response of electroconductive composite nanofibers were explored for biomedical use. The composite nanofibers were prepared by blending the piezoelectric polymer poly(vinylidene fluoride–trifluorethylene) (PVDF-TrFE) and electroconductive materials with different physical and chemical properties such as copper oxide (CuO), poly(3-hexylthiophene) (P3HT), copper phthalocyanine (CuPc), and methylene blue (MB) resulting in unique combinations of electrical conductivity, biocompatibility, and other desirable properties. Morphological investigation via SEM analysis has remarked some differences in fiber size as a function of the electroconductive phase used, with a reduction of fiber diameters for the composite fibers of 12.43% for CuO, 32.87% for CuPc, 36.46% for P3HT, and 63% for MB. This effect is related to the peculiar electroconductive behavior of fibers: measurements of electrical properties showed the highest ability to transport charges of methylene blue, in accordance with the lowest fibers diameters, while P3HT poorly conducts in air but improves charge transfer during the fiber formation. In vitro assays showed a tunable response of fibers in terms of viability, underlining a preferential interaction of fibroblast cells to P3HT-loaded fibers that can be considered the most suitable for use in biomedical applications. These results provide valuable information for future studies to be addressed at optimizing the properties of composite nanofibers for potential applications in bioengineering and bioelectronics. Full article
(This article belongs to the Special Issue Piezoelectric Nanofibers: Recent Development, Challenges, and Applications)
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