期刊
NANO ENERGY
卷 79, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2020.105442
关键词
PVDF; PVDF-TrFE; Nanoconfinement; Piezoresponse; Energy harvesting; Sensors; Piezoelectric nanogenerators; Pyroresponse
类别
资金
- Russian Science Foundation [20-63-47096]
- Russian Science Foundation [20-63-47096] Funding Source: Russian Science Foundation
This review highlights the recent advances in using AAO membranes as templates to prepare PVDF or PVDF-TrFE piezoelectric generators, showcasing the significant improvement in energy harvesting and sensing performances on nanoand micropillars compared to flat films. The study suggests that nanoand microstructuring of biocompatible piezopolymers holds promise for applications in various devices such as biosensors, piezoelectric generators, smart drug-delivery systems, and multiferroic systems.
This review summarises the most recent advances in the application of anodic aluminium oxide (AAO) membranes as templates to prepare poly(vinylidenefluoride)-(PVDF) or poly(vinylidenefluoride-co-trifluoroethylene)based (PVDF-TrFE) piezoelectric generators, which are typically utilised in biomedical sensing and energy harvesting applications. The significant variation in the electroactive phase content in PVDF or PVDF-TrFE caused by the enhanced polarisation of AAO membranes due to nanoconfinement effect is explored. The literature survey reveals that the energy harvesting and sensing performances of various devices are significantly improved in the nanoand micropillars compared to those of flat films with the same material composition. Thus, nanoand microstructuring of the surface of biocompatible piezopolymers is promising for their applications in various devices for biosensing, strain, pressure thermal or force sensing, piezoelectric generators, microfluidic nano-actuated devices, smart drug-delivery systems, and multiferroic systems.
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