Staff View: Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core

Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers

Electrospinning is a low-cost and straightforward method for producing various types of polymers in micro/nanofiber form. Among the various types of polymers, electrospun piezoelectric polymers have many potential applications. In this study, a new type of functional microfiber composed of poly(γ-be...

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Main Authors:	Duc-Nam Nguyen, Wonkyu, Moon
Format:	Bài trích
Language:	English
Published:	MDPI 2022
Subjects:	Electrospinning Piezoelectric fibers
Online Access:	https://www.mdpi.com/2073-4360/14/9/1739 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5914 https://doi.org/10.3390/polym14091739
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spelling	oai:localhost:PNK-59142022-08-17T05:54:55Z Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers Duc-Nam Nguyen Wonkyu, Moon Electrospinning Piezoelectric fibers Electrospinning is a low-cost and straightforward method for producing various types of polymers in micro/nanofiber form. Among the various types of polymers, electrospun piezoelectric polymers have many potential applications. In this study, a new type of functional microfiber composed of poly(γ-benzyl-α,L-glutamate) (PBLG) and poly(vinylidene fluoride) (PVDF) with significantly enhanced electromechanical properties has been reported. Recently reported electrospun PBLG fibers exhibit polarity along the axial direction, while electrospun PVDF fibers have the highest net dipole moment in the transverse direction. Hence, a combination of PBLG and PVDF as a core–shell structure has been investigated in the present work. On polarization under a high voltage, enhancement in the net dipole moment in each material and the intramolecular conformation was observed. The piezoelectric coefficient of the electrospun PBLG/PVDF core–shell fibers was measured to be up to 68 pC N−1 (d33), and the voltage generation under longitudinal extension was 400 mVpp (peak-to-peak) at a frequency of 60 Hz, which is better than that of the electrospun homopolymer fibers. Such new types of functional materials can be used in various applications, such as sensors, actuators, smart materials, implantable biosensors, biomedical engineering devices, and energy harvesting devices 2022-07-13T01:59:54Z 2022-07-13T01:59:54Z 2022 Bài trích https://www.mdpi.com/2073-4360/14/9/1739 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5914 https://doi.org/10.3390/polym14091739 en MDPI
institution	Digital Phenikaa
collection	Digital Phenikaa
language	English
topic	Electrospinning Piezoelectric fibers
spellingShingle	Electrospinning Piezoelectric fibers Duc-Nam Nguyen Wonkyu, Moon Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
description	Electrospinning is a low-cost and straightforward method for producing various types of polymers in micro/nanofiber form. Among the various types of polymers, electrospun piezoelectric polymers have many potential applications. In this study, a new type of functional microfiber composed of poly(γ-benzyl-α,L-glutamate) (PBLG) and poly(vinylidene fluoride) (PVDF) with significantly enhanced electromechanical properties has been reported. Recently reported electrospun PBLG fibers exhibit polarity along the axial direction, while electrospun PVDF fibers have the highest net dipole moment in the transverse direction. Hence, a combination of PBLG and PVDF as a core–shell structure has been investigated in the present work. On polarization under a high voltage, enhancement in the net dipole moment in each material and the intramolecular conformation was observed. The piezoelectric coefficient of the electrospun PBLG/PVDF core–shell fibers was measured to be up to 68 pC N−1 (d33), and the voltage generation under longitudinal extension was 400 mVpp (peak-to-peak) at a frequency of 60 Hz, which is better than that of the electrospun homopolymer fibers. Such new types of functional materials can be used in various applications, such as sensors, actuators, smart materials, implantable biosensors, biomedical engineering devices, and energy harvesting devices
format	Bài trích
author	Duc-Nam Nguyen Wonkyu, Moon
author_facet	Duc-Nam Nguyen Wonkyu, Moon
author_sort	Duc-Nam Nguyen
title	Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
title_short	Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
title_full	Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
title_fullStr	Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
title_full_unstemmed	Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers
title_sort	significant electromechanical characteristic enhancement of coaxial electrospinning core–shell fibers
publisher	MDPI
publishDate	2022
url	https://www.mdpi.com/2073-4360/14/9/1739 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5914 https://doi.org/10.3390/polym14091739
_version_	1751856288293191680
score	8.881002

Significant Electromechanical Characteristic Enhancement of Coaxial Electrospinning Core–Shell Fibers

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