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Published on: August 8, 2025
Self-Powered Gesture and Multi-Human Interaction Sensing via Bioactive Compounds-Integrated Triboelectric
Mahadevaswamy Bhogayyanahundi Prabhuswamy1,2, Yashaswini Veeranapura Lokesh1, Rumana Farheen Sagade Muktar Ahmed3
1Department of Chemistry, Sri Jayachamarajendra College of Engineering, JSS Science and Technology University, Mysuru 570006, India.
This study enhances triboelectric nanogenerators (TENGs) using natural bioactive compounds (BAC) from plants like turmeric. These sustainable materials boost energy harvesting and create self-powered sensors for electronics.
Area of Science:
- Materials Science
- Nanotechnology
- Sustainable Energy
Background:
- Triboelectric nanogenerators (TENGs) are key for self-powered electronics.
- Biodegradable polymers offer sustainable matrices for TENGs.
- Naturally derived bioactive compounds (BAC) can enhance TENG performance.
Purpose of the Study:
- To incorporate plant-derived bioactive compounds (BAC) into poly(vinyl alcohol) (PVA) for improved TENGs.
- To investigate the impact of turmeric, garlic, and ginger extracts on TENG properties.
- To develop sustainable, high-performance TENGs for energy harvesting and sensing.
Main Methods:
- Solution casting technique to fabricate BAC@PVA composites.
- Characterization using XRD, SEM, EDS, and FTIR.
- Fabrication and testing of TENG devices with BAC@PVA and PVDF.
Main Results:
- BAC incorporation enhanced surface roughness, dielectric behavior, and charge transfer.
- CL@PVA-TENG achieved a peak voltage of 302 V and current of 62 μA.
- Harvested energy powered capacitors and LEDs; device functioned as a sensitive self-powered sensor.
Conclusions:
- BAC@PVA composites offer an eco-friendly strategy for advanced TENGs.
- Enhanced TENGs show potential for wearable healthcare and human-machine interfaces.
- This approach advances sustainable energy harvesting and self-powered sensing technologies.
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