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https://hdl.handle.net/10316/110994
Título: | Sandwich-type double-layer piezoelectric nanogenerators based on one- and two-dimensional ZnO nanostructures with improved output performance | Autor: | Fakhri, Parisa Eaianli, Naeimeh Bagherzadeh, Roohollah Jaleh, Babak Kashfi, Mohammad Fausto, Rui |
Data: | 29-Set-2023 | Editora: | Springer Nature | Projeto: | UIDB/00313/2020 UIDP/00313/2020 LA/P/0056/2020 |
Título da revista, periódico, livro ou evento: | Scientific Reports | Volume: | 13 | Número: | 1 | Resumo: | Piezoelectric nanogenerators (PENGs) have attracted great interest owing to their broad range application in environmental mechanical energy harvesting to power small electronic devices. In this study, novel flexible and high-performance double-layer sandwich-type PENGs based on one-dimensional (1-D) and two-dimensional (2-D) zinc oxide (ZnO) nanostructures and Ni foam as the middle layer have been developed. The morphology and structure of 1- and 2-D ZnO nanostructures have been studied by scanning electron microscopy (SEM) and X-ray diffraction (XRD). To investigate the effect of structural design on the piezoelectric performance, single-layer PENGs were also fabricated. The piezoelectric output of all prepared PENGs were evaluated under different human impacts at various forces and frequencies. The double-layer designed PENGs showed a two times larger voltage output compared to the single-layer PENGs, and the use of Ni foam as middle-layer and of 2-D ZnO nanosheets (compared to 1-D nanorods) was also found to increase the performance of the designed PENGs. The working mechanism of the prepared PENGs is also discussed. The design of nanogenerators as double-layer sandwich structures instead of two integrated single-layer devices reduces the overall preparation time and processing steps and enhances their output performance, thus opening the gate for widening their practical applications. | URI: | https://hdl.handle.net/10316/110994 | ISSN: | 2045-2322 | DOI: | 10.1038/s41598-023-43047-4 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Química - Artigos em Revistas Internacionais |
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Sandwichtype-doublelayer-piezoelectric-nanogenerators-based-on-one-and-twodimensional-ZnO-nanostructures-with-improved-output-performanceScientific-Reports.pdf | 2.71 MB | Adobe PDF | Ver/Abrir |
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