Enhancing Triboelectric Nanogenerator Performance via Ultraviolet Nanosecond Laser-Engineered Microstructured...

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.