dc.contributor.author | Lapčinskis, Linards | |
dc.contributor.author | Mālnieks, Kaspars | |
dc.contributor.author | Linarts, Artis | |
dc.contributor.author | Blūms, Juris | |
dc.contributor.author | Šmits, Krišjānis | |
dc.contributor.author | Järvekülg, Martin | |
dc.contributor.author | Knite, Māris | |
dc.contributor.author | Šutka, Andris | |
dc.date.accessioned | 2020-10-01T13:32:02Z | |
dc.date.available | 2020-10-01T13:32:02Z | |
dc.date.issued | 2019 | |
dc.identifier.issn | 2574-0962 | |
dc.identifier.uri | https://dspace.lu.lv/dspace/handle/7/52560 | |
dc.description | This research was supported by the European Regional Development Fund within the project ‘‘Hybrid energy harvesting systems’’ 1.1.1.1./16/A/013. | en_US |
dc.description.abstract | It was recently reported that more efficient triboelectric nanogenerator (TENG)-like devices can be prepared using inversely polarized ferroelectric films made of same material as the contacting layers. In the present work, a clear correlation between the piezoelectric response of inversely polarized ferroelectric PVDF/BaTiO3 nanocomposite films and the performance of the TENG-like device based on these films is demonstrated. This observation is explained by magnified electrostatic induction that is driven by piezoelectric charges and ferroelectric properties of these films. A double capacitor model is proposed that effectively portrays the interactions between ferroelectric layers during contact-separation and subsequent charge redistributions in the external circuit. The new understanding has allowed the result of 3-fold higher open circuit voltages (2.7 kV from 5 cm2) as compared to that of a state of the art TENG. Furthermore, findings uncover the potential for vast improvement in the field of nanogenerators for mechanical energy harvesting as a significantly better piezoelectric performance of flexible nanogenerators has been reported elsewhere. | en_US |
dc.description.sponsorship | ERDF 1.1.1.1./16/A/013; Institute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART² | en_US |
dc.language.iso | eng | en_US |
dc.publisher | American Chemical Society | en_US |
dc.relation | info:eu-repo/grantAgreement/EC/H2020/739508/EU/Centre of Advanced Material Research and Technology Transfer/CAMART² | en_US |
dc.relation.ispartofseries | ACS Applied Energy Materials;2 (6) | |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.subject | Research Subject Categories::NATURAL SCIENCES:Physics | en_US |
dc.subject | ferroelectricity | en_US |
dc.subject | nanogenerators | en_US |
dc.subject | piezoelectricity | en_US |
dc.subject | poly(vinylidene fluoride) | en_US |
dc.subject | triboelectricity | en_US |
dc.title | Hybrid Tribo-Piezo-Electric Nanogenerator with Unprecedented Performance Based on Ferroelectric Composite Contacting Layers | en_US |
dc.type | info:eu-repo/semantics/article | en_US |
dc.identifier.doi | 10.1021/acsaem.9b00836 | |