Triboelectric Response of Electrospun Stratified PVDF and PA Structures

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dc.contributor.authorTofel, Pavelcs
dc.contributor.authorČástková, Kláracs
dc.contributor.authorŘíha, Davidcs
dc.contributor.authorSobola, Dinaracs
dc.contributor.authorPapež, Nikolacs
dc.contributor.authorKaštyl, Jaroslavcs
dc.contributor.authorTalu, Stefancs
dc.contributor.authorHadaš, Zdeněkcs
dc.coverage.issue3cs
dc.coverage.volume12cs
dc.date.accessioned2022-02-21T11:53:44Z
dc.date.available2022-02-21T11:53:44Z
dc.date.issued2022-01-22cs
dc.description.abstractUtilizing the triboelectric effect of the fibrous structure, a very low cost and straightforward sensor or an energy harvester can be obtained. A device of this kind can be flexible and, moreover, it can exhibit a better output performance than a device based on the piezoelectric effect. This study is concerned with comparing the properties of triboelectric devices prepared from polyvinylidene fluoride (PVDF) fibers, polyamide 6 (PA) fibers, and fibrous structures consisting of a combination of these two materials. Four types of fibrous structures were prepared, and then their potential for use in triboelectric devices was tested. Namely, individual fibrous mats of (i) PVDF and (ii) PA fibers, and their combination—(iii) PVDF and PA fibers intertwined together. Finally, the fourth kind was (iv), a stratified three-layer structure, where the middle layer from PVDF and PA intertwined fibers was covered by PVDF fibrous layer on one side and by PA fibrous layer on the opposite side. Dielectric properties were examined and the triboelectric response was investigated in a simple triboelectric nanogenerator (TENG) of individual or combined (i–iv) fibrous structures. The highest triboelectric output voltage was observed for the stratified three-layer structure (the structure of iv type) consisting of PVDF and PA individual and intertwined fibrous layers. This TENG generated 3.5 V at peak of amplitude at 6 Hz of excitation frequency and was most sensitive at the excitation signal. The second highest triboelectric response was observed for the individual PVDF fibrous mat, generating 2.8 V at peak at the same excitation frequency. The uniqueness of this work lies in the dielectric and triboelectric evaluation of the fibrous structures, where the materials PA and PVDF were electrospun simultaneously with two needles and thus created a fibrous composite. The structures showed a more effective triboelectric response compared to the fibrous structure electrospun by one needle.en
dc.formattextcs
dc.format.extent1-14cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationNanomaterials. 2022, vol. 12, issue 3, p. 1-14.en
dc.identifier.doi10.3390/nano12030349cs
dc.identifier.issn2079-4991cs
dc.identifier.orcid0000-0002-4779-7024cs
dc.identifier.orcid0000-0002-6343-6659cs
dc.identifier.orcid0000-0002-6184-4106cs
dc.identifier.orcid0000-0002-0008-5265cs
dc.identifier.orcid0000-0003-2297-2890cs
dc.identifier.orcid0000-0001-8145-604Xcs
dc.identifier.orcid0000-0002-9097-1550cs
dc.identifier.other176669cs
dc.identifier.researcheridE-2376-2012cs
dc.identifier.researcheridG-1175-2019cs
dc.identifier.researcheridY-9823-2019cs
dc.identifier.researcheridG-8477-2014cs
dc.identifier.researcheridI-4299-2014cs
dc.identifier.scopus57189064262cs
dc.identifier.scopus57195963424cs
dc.identifier.scopus56600676100cs
dc.identifier.scopus24767676300cs
dc.identifier.urihttp://hdl.handle.net/11012/203926
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofNanomaterialscs
dc.relation.urihttps://www.mdpi.com/2079-4991/12/3/349cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2079-4991/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectdielectric propertiesen
dc.subjectelectrospinningen
dc.subjectfiber compositeen
dc.subjectPVDFen
dc.subjectPAen
dc.subjectTENGen
dc.subjecttriboelectric effecten
dc.titleTriboelectric Response of Electrospun Stratified PVDF and PA Structuresen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-176669en
sync.item.dbtypeVAVen
sync.item.insts2023.10.01 12:52:33en
sync.item.modts2023.10.01 12:14:24en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilé keramické materiálycs
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Pokročilá multifunkční keramikacs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav mechaniky těles, mechatroniky a biomechanikycs
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav materiálových věd a inženýrstvícs
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav fyzikycs
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Ústav mechaniky těles, mechatroniky a biomechaniky