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Enhancing Triboelectric Nanogenerator Performance via Ultraviolet Nanosecond Laser-Engineered Microstructured

Zheng Zheng1, Lei Li1, Mingming Liu1

  • 1School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China.

ACS Applied Materials & Interfaces
|September 18, 2025
PubMed
Summary
This summary is machine-generated.

Novel laser-engineered intermediate layers significantly boost triboelectric nanogenerator (TENG) performance. This advancement enhances power for wireless sensors and wearable electronics by improving energy harvesting efficiency and charging speed.

Keywords:
energy harvestingenhanced performanceintermediate layertriboelectric nanogeneratorultraviolet nanosecond laser

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Area of Science:

  • Materials Science
  • Energy Harvesting
  • Nanotechnology

Background:

  • Growing demand for sustainable power solutions for wireless sensors and wearable electronics.
  • Triboelectric nanogenerators (TENGs) offer a promising avenue for converting mechanical energy to electricity.
  • Enhancing TENG output performance and durability is critical for practical applications.

Purpose of the Study:

  • To introduce a novel method for improving TENG performance using ultraviolet nanosecond laser-engineered intermediate layers.
  • To investigate the impact of laser processing on charge storage and accumulation within TENGs.
  • To optimize TENG performance by analyzing the influence of laser parameters and layer thickness.

Main Methods:

  • Fabrication of TENGs with ultraviolet nanosecond laser-engineered intermediate layers.
  • Characterization of TENG output performance, including short-circuit current and open-circuit voltage.
  • Systematic investigation of laser power, speed, processing patterns, and intermediate layer thickness.

Main Results:

  • Significant enhancement in TENG output: 3.8x increase in short-circuit current and 2.3x increase in open-circuit voltage.
  • Improved charging speed by 3 times due to enhanced charge accumulation.
  • Identification of optimal laser parameters and dielectric layer thickness for maximizing TENG performance.

Conclusions:

  • Laser-engineered intermediate layers effectively enhance TENG performance by increasing charge storage and accumulation.
  • This approach offers a viable strategy for developing more efficient and durable TENGs for sustainable power applications.
  • Further optimization of laser processing parameters can unlock the full potential of TENG technology.