Piezoelectric polymer fiber arrays for tactile sensing applications

Bilsay Sümer, Burak Aksak, Korhan Şahin, Kamol Chuengsatiansup, Metin Sitti

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


We present the fabrication, functionalization, and characterization of Poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] piezoelectric vertically aligned micro-fiber arrays for tactile sensing applications. The fabrication procedure is explained along with necessary post treatment functionalization steps. Fabricated micro-fiber arrays are tested for their ability of touch perception using a custom measurement setup. The sensitivity is measured to be 2.27 V/N in response to applied force with varying amplitude. Moreover, sensor shows a nearly constant frequency response in the range of 1 Hz to 75 Hz. Piezoelectric vertical fiber array is a promising sensing technique in robotics and minimally invasive surgery (MIS) operations where flexible skin type tactile sensing and high spatial resolution is required.

Original languageEnglish
Pages (from-to)457-463
Number of pages7
JournalSensor Letters
Issue number2
StatePublished - Apr 2011


  • Fiber array
  • Piezoelectric polymer
  • Tactile sensor


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