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Highly-efficient, flexible piezoelectric PZT thin film nanogenerator on plastic substrates

  • Kwi Il Park
  • , Jung Hwan Son
  • , Geon Tae Hwang
  • , Chang Kyu Jeong
  • , Jungho Ryu
  • , Min Koo
  • , Insung Choi
  • , Seung Hyun Lee
  • , Myunghwan Byun
  • , Zhong Lin Wang
  • , Keon Jae Lee*
  • *Corresponding author for this work
  • Korea Advanced Institute of Science and Technology
  • Korea Institute of Materials Science
  • Georgia Institute of Technology

Research output: Contribution to journalJournal articlepeer-review

Abstract

A highly-efficient, flexible piezoelectric PZT thin film nanogenerator is demonstrated using a laser lift-off (LLO) process. The PZT thin film nanogenerator harvests the highest output performance of ∼200 V and ∼150 μA·cm-2 from regular bending motions. Furthermore, power sources generated from a PZT thin film nanogenerator, driven by slight human finger bending motions, successfully operate over 100 LEDs.

Original languageEnglish
Pages (from-to)2514-2520
Number of pages7
JournalAdvanced Materials
Volume26
Issue number16
DOIs
StatePublished - 2014.04.23

Keywords

  • energy harvesting
  • laser lift-off
  • piezoelectric
  • PZT
  • thin film nanogenerator

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