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Nontoxic flexible TENG with robust piezoelectric enhancement through graphitic carbon nitride-incorporated PVDF for wearable sensors and power supplies

Author

Listed:
  • Yang, Zhuanqing
  • Zhang, Xi
  • Deng, Tianjie
  • Xiang, Gang

Abstract

Flexible triboelectric nanogenerator (TENG) with superior performance and nontoxicity is desirable for sustainable and wearable electronic applications. Herein, a two-dimensional graphitic-carbon-nitride incorporated poly (vinylidene fluoride) (g-C3N4/PVDF) electronegative layer is synthesized and then assembled with a nylon-11 nanofibers electropositive layer to fabricate a nontoxic flexible TENG. Owing to the synergy of excellent electronegativity of PVDF and robust piezoelectricity enhanced by angle-and-thickness-independent piezoelectric effect of g-C3N4, the optimized TENG exhibits stable and superior output performance including open-circuit voltage (VOC) of 339 V, short-circuit current (ISC) of 14.5 μA, and power density of 0.94 W/m2, better than previously-reported values of PVDF-based and g-C3N4 TENGs. Furthermore, it is demonstrated that the optimized TENG can be used not only as a power supply to drive electronics but also as flexible wearable sensors to detect complex motions in real time. Our results provide a convenient way to fabricate a high-performance nontoxic flexible TENG for wearable sensors and power supplies.

Suggested Citation

  • Yang, Zhuanqing & Zhang, Xi & Deng, Tianjie & Xiang, Gang, 2024. "Nontoxic flexible TENG with robust piezoelectric enhancement through graphitic carbon nitride-incorporated PVDF for wearable sensors and power supplies," Energy, Elsevier, vol. 306(C).
  • Handle: RePEc:eee:energy:v:306:y:2024:i:c:s0360544224023296
    DOI: 10.1016/j.energy.2024.132555
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    References listed on IDEAS

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    1. Singh, Huidrom Hemojit & Khare, Neeraj, 2019. "Improved performance of ferroelectric nanocomposite flexible film based triboelectric nanogenerator by controlling surface morphology, polarizability, and hydrophobicity," Energy, Elsevier, vol. 178(C), pages 765-771.
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