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Flexible piezoelectric zno-paper nanocomposite strain sensor

  • Hemtej Gullapalli*
  • , Venkata S.M. Vemuru
  • , Ashavani Kumar
  • , Andres Botello-Mendez
  • , Robert Vajtai
  • , Mauricio Terrones
  • , Satish Nagarajaiah
  • , Pulickel M. Ajayan
  • *Corresponding author for this work
  • Rice University
  • Rice University
  • extern
  • Universidad Iberoamericana (UIA)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The fabrication of a mechanically flexible, piezoelectric nanocomposite material for strain sensing applications is reported. Nanocomposite material consisting of zinc oxide (ZnO) nanostructures embedded in a stable matrix of paper (cellulose fibers) is prepared by a solvothermal method. The applicability of this material as a strain sensor is demonstrated by studying its real-time current response under both static and dynamic mechanical loading. The material presented highlights a novel approach to introduce flexibility into strain sensors by embedding crystalline piezoelectric material in a flexible cellulose-based secondary matrix.

Original languageEnglish
Pages (from-to)1641-1646
Number of pages6
JournalSmall
Volume6
Issue number15
DOIs
Publication statusPublished - 2 Aug 2010
Externally publishedYes

Keywords

  • Cellulose fibers
  • Nanocomposites
  • Piezoelectrics
  • Strain sensors
  • Zinc oxide

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