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AuthorParangusan, Hemalatha
AuthorKaruppasamy, K.
AuthorBhadra, Jolly
Available date2024-07-16T06:15:13Z
Publication Date2024
Publication NameJournal of Alloys and Compounds
ResourceScopus
Identifierhttp://dx.doi.org/10.1016/j.jallcom.2024.174254
ISSN9258388
URIhttp://hdl.handle.net/10576/56692
AbstractOwing to the depletion of fossil fuel energy and the pollution caused by chemical batteries, as well as the growing number of electronic devices and the Internet of Things (IoT), there is a greater demand for power devices that are lightweight, inexpensive, durable, and sustainable. An excellent alternative is a self-sufficient, adaptable piezoelectric energy harvester, easily integrated with small electronics to generate real-time, sustained energy. This study develops a piezoelectric nanogenerator (PENG) by uniformly drawing spun membranes containing 2 wt% of barium titanate (BaTiO3) and nickel ferrite (NiFe2O4). The flexible piezoelectric nanogenerator was prepared by electrospinning technique. The electroactive phase content of PVDF is increased by adding nanofillers, and the interfacial polarization between the nanofiller and polymer matrix is significantly enhanced. The obtained electrospun nanofibers were evaluated for mechanical flexibility and piezoelectric responses. The findings demonstrated that, for a given filler composition, the output voltage achieved was more significant than the voltage generated by the pure PVDF. The PVDF/BaTiO3-NiFeO4 electrospun nanofibers demonstrated the highest piezoelectric peak-to-peak output voltage of 4.1 compared to pure PVDF (∼125 mV). From these results, the prepared electrospun polymer nanocomposite fibers may be preferred as the energy-converting devices that can be applied to flexible and wearable electronics. The materials mechanical, breakdown strength and dielectric characteristics align with their potential uses in wearable electronics.
SponsorThis study was supported by UREP 28\u2013190\u20132\u2013046 from the Qatar National Research Fund. The findings herein are solely the responsibility of the authors. The authors are also very grateful to the Center for Advanced Materials (CAM), Qatar University for the inclusive support. This works characterizations were carried out at Qatar University Central Laboratories Unit (CLU) for morphological analysis and the Gas Processing Center (GPC) for XPS analysis. Open Access funding provided by the Qatar National Library (QNL).
Languageen
PublisherElsevier
SubjectBaTiO3/NiFe2O4 nanocomposite
Dielectrics
Piezoelectric nanogenerator
PVDF
TitleTailored nanofiber composites for a flexible piezoelectric nanogenerator: Poly(vinylidene fluoride) with BaTiO3/NiFe2O4
TypeArticle
Volume Number989
dc.accessType Open Access


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