Corona Poling of Printed Piezoelectric Films

Faculty Mentor Information

Zhangxian Deng, Boise State University

Presentation Date

7-2023

Abstract

Introduction

What is piezoelectric material?

  • Piezoelectric materials generate charge when squeezed or deformed and convert mechanical energy into electrical energy
  • They are used in sensors, transducers, and actuators in various devices
  • Examples include PVDF, PVDF-trFE, ceramics, and polymers

What is PVDF-trFE?

  • Polyvinylidene Fluoride-Trifluoroethylene (20 mol% trFE)
  • It exhibits enhanced piezoelectric properties compared to PVDF alone

What is d_33?

  • Piezoelectric coefficient
  • d_33=*Delta;Q/&Delta:F

What is PVDF-trFE Phase?

  • Alpha phase is non-polar with a disordered molecular structure (as-printed material )
  • Beta phase is polar, ordered, and demonstrates enhanced piezoelectric properties (poling is required)

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Corona Poling of Printed Piezoelectric Films

Introduction

What is piezoelectric material?

  • Piezoelectric materials generate charge when squeezed or deformed and convert mechanical energy into electrical energy
  • They are used in sensors, transducers, and actuators in various devices
  • Examples include PVDF, PVDF-trFE, ceramics, and polymers

What is PVDF-trFE?

  • Polyvinylidene Fluoride-Trifluoroethylene (20 mol% trFE)
  • It exhibits enhanced piezoelectric properties compared to PVDF alone

What is d_33?

  • Piezoelectric coefficient
  • d_33=*Delta;Q/&Delta:F

What is PVDF-trFE Phase?

  • Alpha phase is non-polar with a disordered molecular structure (as-printed material )
  • Beta phase is polar, ordered, and demonstrates enhanced piezoelectric properties (poling is required)