http://www.cnr.it/ontology/cnr/individuo/prodotto/ID263289
High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene) (Articolo in rivista)
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- Label
- High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene) (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1038/ncomms2639 (literal)
- Alternative label
Persano L. [ 1,2 ] ; Dagdeviren C. ; Su Y. W. ; Zhang Y. H. [ 5,6,7 ] ; Girardo S. [ 1 ] ; Pisignano D. [ 1,2,8 ] ; Huang Y. G. [ 6,7 ] ; Rogers J. A. [ 3,4 ] (2013)
High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene)
in Nature communications
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Persano L. [ 1,2 ] ; Dagdeviren C. ; Su Y. W. ; Zhang Y. H. [ 5,6,7 ] ; Girardo S. [ 1 ] ; Pisignano D. [ 1,2,8 ] ; Huang Y. G. [ 6,7 ] ; Rogers J. A. [ 3,4 ] (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [ 1 ] Ist Nanosci CNR, Natl Nanotechnol Lab, I-73100 Arnesano, Italy
[ 2 ] Ist Italiano Tecnol, Ctr Biomol Nanotechnol UNILE, I-73010 Arnesano, Italy
[ 3 ] Univ Illinois, Dept Mat Sci & Engn, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA
[ 4 ] Univ Illinois, Beckman Inst Adv Sci, Urbana, IL 61801 USA
[ 5 ] Tsinghua Univ, Ctr Mech & Mat, Beijing 100084, Peoples R China
[ 6 ] Northwestern Univ, Dept Civil & Environm Engn, Evanston, IL 60208 USA
[ 7 ] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
[ 8 ] Univ Salento, Dipartimento Matemat & Fis Ennio De Giorgi, I-73100 Arnesano, Italy (literal)
- Titolo
- High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene) (literal)
- Abstract
- Multifunctional capability, flexible design, rugged lightweight construction and self-powered operation are desired attributes for electronics that directly interface with the human body or with advanced robotic systems. For these applications, piezoelectric materials, in forms that offer the ability to bend and stretch, are attractive for pressure/force sensors and mechanical energy harvesters. Here, we introduce a large area, flexible piezoelectric material that consists of sheets of electrospun fibres of the polymer poly(vinylidenefluoride-co-trifluoroethylene). The flow and mechanical conditions associated with the spinning process yield free-standing, three-dimensional architectures of aligned arrangements of such fibres, in which the polymer chains adopt strongly preferential orientations. The resulting material offers exceptional piezoelectric characteristics, to enable ultra-high sensitivity for measuring pressure, even at exceptionally small values (0.1 Pa). Quantitative analysis provides detailed insights into the pressure sensing mechanisms, and establishes engineering design rules. Potential applications range from self-powered micro-mechanical elements, to self-balancing robots and sensitive impact detectors. (literal)
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