High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene)

Luana Persano, Canan Dagdeviren, Yewang Su, Yihui Zhang, Salvatore Girardo, Dario Pisignano, Yonggang Huang, John A. Rogers*

*Corresponding author for this work

Research output: Contribution to journalArticle

527 Citations (Scopus)

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.

Original languageEnglish (US)
Article number1633
JournalNature communications
Volume4
DOIs
StatePublished - Apr 11 2013

Fingerprint

Piezoelectric devices
Nanofibers
Piezoelectric materials
Pressure
Equipment and Supplies
Polymers
Harvesters
fibers
Fibers
polymers
Robotics
human body
robotics
robots
Human Body
metal spinning
quantitative analysis
Electronic equipment
engineering
Robots

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Persano, Luana ; Dagdeviren, Canan ; Su, Yewang ; Zhang, Yihui ; Girardo, Salvatore ; Pisignano, Dario ; Huang, Yonggang ; Rogers, John A. / High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene). In: Nature communications. 2013 ; Vol. 4.
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High performance piezoelectric devices based on aligned arrays of nanofibers of poly(vinylidenefluoride-co-trifluoroethylene). / Persano, Luana; Dagdeviren, Canan; Su, Yewang; Zhang, Yihui; Girardo, Salvatore; Pisignano, Dario; Huang, Yonggang; Rogers, John A.

In: Nature communications, Vol. 4, 1633, 11.04.2013.

Research output: Contribution to journalArticle

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AU - Dagdeviren, Canan

AU - Su, Yewang

AU - Zhang, Yihui

AU - Girardo, Salvatore

AU - Pisignano, Dario

AU - Huang, Yonggang

AU - Rogers, John A.

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