Large displacement in relaxor ferroelectric terpolymer blend derived actuators using al electrode for Braille displays

S. G. Lu, X. Chen, T. Levard, P. J. Diglio, L. J. Gorny, C. D. Rahn, Q. M. Zhang

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Poly(vinylidene fluoride) (PVDF) based polymers are attractive for applications for artificial muscles, high energy density storage devices etc. Recently these polymers have been found great potential for being used as actuators for refreshable full-page Braille displays for visually impaired people in terms of light weight, miniaturized size, and larger displacement, compared with currently used lead zirconate titanate ceramic actuators. The applied voltages of published polymer actuators, however, cannot be reduced to meet the requirements of using city power. Here, we report the polymer actuator generating quite large displacement and blocking force at a voltage close to the city power. Our embodiments also show good self-healing performance and disuse of lead-containing material, which makes the Braille device safer, more reliable and more environment-friendly.

Original languageEnglish (US)
Article number11361
JournalScientific reports
Volume5
DOIs
StatePublished - Jun 16 2015

All Science Journal Classification (ASJC) codes

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