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Journal of Materials Science

, Volume 54, Issue 8, pp 6401–6409 | Cite as

Wearable piezoelectric nanogenerators based on reduced graphene oxide and in situ polarization-enhanced PVDF-TrFE films

  • Xiaoran Hu
  • Zhitian Ding
  • Lixun Fei
  • Yong XiangEmail author
  • Yuan linEmail author
Electronic materials
  • 38 Downloads

Abstract

PVDF-TrFE-based wearable nanogenerators were designed and fabricated with enhanced performances via reduced graphene oxides (rGO) and in situ electric polarization. Our laboratory-made polarization system may complete the in situ poling of PVDF-TrFE films in 5 min without heating, which has the advantages of high production efficiency, excellent piezoelectric performances, and favorable uniformity, compared to traditional poling approaches. The addition of rGO into PVDF-TrFE significantly improved the crystallinity of the β-phase PVDF-TrFE and enhanced the formation of hydrogen bonds via interaction of dipoles between rGO and PVDF-TrFE. This further improved the energy-harvesting performances of these piezoelectric nanogenerators with 1.6 times of the open-circuit voltage and 2 times of the power density than that of pure PVDF-TrFE-based devices. The high production efficiency and excellent piezoelectric performances of in situ polarized rGO/PVDF-TrFE make them of great potential for self-powered, wearable/portable devices.

Notes

Acknowledgements

This work was supported by the National Basic Research Program of China (973 Program) under Grant No. 2015CB351905 and “111” Project (No. B13042).

Supplementary material

10853_2019_3339_MOESM1_ESM.docx (143 kb)
Supplementary material 1 (DOCX 143 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Materials and EnergyUniversity of Electronic Science and TechnologyChengduChina
  2. 2.School of Electronic Science and EngineeringUniversity of Electronic Science and TechnologyChengduChina
  3. 3.The Second Research Institute of Civil Aviation Administration of ChinaChengduChina

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