Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Phase Transition and Improvement of Output Efficiency of the PZT/PVDF Piezoelectric Device by Adding Carbon Nanotubes

Carbon Nanotube의 첨가에 의한 PZT/PVDF 압전소자의 상전이와 출력 효율 개선

  • Lim, Youngtaek (Department of Electrical Engineering, Seoyeong University) ;
  • Lee, Sunwoo (Department of Electrical Information, Inha Technical College)
  • 임영택 (서영대학교 디지털전기과) ;
  • 이선우 (인하공업전문대학 전기정보과)
  • Received : 2017.10.17
  • Accepted : 2017.11.16
  • Published : 2018.02.01
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Abstract

Lead zirconate titanate/poly-vinylidene fluoride (PZT/PVDF) piezoelectric devices were fabricated by incorporating carbon nanotubes (CNTs), for use as flexible energy harvesting devices. CNTs were added to maximize the formation of the ${\beta}$ phase of PVDF to enhance the piezoelectricity of the devices. The phase transition of PVDF induced by the addition of CNTs was confirmed by analyzing the X-ray diffraction patterns, scanning electron microscopy images, and atomic force microscopy images. The enhanced output efficiency of the PZT/PVDF piezoelectric devices was confirmed by measuring the output current and voltage of the fabricated devices. The maximum output current and voltage of the PZT/PVDF piezoelectric devices was 200 nA and 350 mV, respectively, upon incorporation of 0.06 wt% CNTs.

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References

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