Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Output voltages of PVDF-based TENGs.
  • fig. S2. Output performances of different polymer-based TENGs.
  • fig. S3. Output performance of pristine PVDF–based TENG with the resistance of external loads.
  • fig. S4. Average current density and charge density.
  • fig. S5. Calculated electrostatic potentials.
  • fig. S6. Capacitor charging properties of pristine PVDF–based TENGs.
  • fig. S7. AFM and SEM images of the PVDF-Gn films.
  • fig. S8. Nanoindentation test for the PVDF-Gn films.
  • fig. S9. Dielectric constant of PVDF-Gn films according to PtBA mole percents.
  • fig. S10. Structures of PVDF and PVDF-Gn.

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