Eliminating Piezoresistivity in Flexible Conducting Polymers for Accurate Temperature Sensing under Dynamic Mechanical Deformations

Melda Sezen, Jeffrey T. Register, Yao Yao, Branko Glisic, Yueh Lin Loo

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

A study demonstrates elimination of piezoresistivity in flexible conducting polymers for accurate temperature sensing under dynamic mechanical deformations. The same structural change is co-related with a switch in the polarity of polyaniline- poly(2-acrylamido-2-methyl-1-propane-sulfonic acid's (PANI-PAAMPSA) GF from positive to negative. The study demonstrates the construction of simple sensors with near-zero GFs by combining PANI-PAAMPSA with another conducting polymer poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS), which retains its positive GF after DCA treatment.

Original languageEnglish (US)
Pages (from-to)2832-2838
Number of pages7
JournalSmall
Volume12
Issue number21
DOIs
StatePublished - Jan 1 2016

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)

Keywords

  • conducting polymers
  • flexible electronics
  • piezoresistivity
  • polyaniline
  • temperature sensors

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