Red Onion Boosts Solar Cell Efficiency – Sustainable Power Potential
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The Problem: Solar cells degrade when exposed to ultraviolet (UV) radiation and are typically protected by petroleum-based films (like PVF and PET).
The Solution: Scientists have found that a combination of nanocellulose (derived from plants) and dye from red onion skin extract provides “very effective UV protection.”
Effectiveness: The film blocked 99.9% of UV radiation up to 400 nanometers and outperformed a commercial PET-based UV filter.
Sustainability: This offers a bio-based, more lasting option to traditional petroleum-based protective films.
Research Details: The study,published in ACS Applied Optical Materials,also tested films treated with lignin and iron ions,comparing their durability.
Source: The research was conducted at the University of Turku in Finland, with doctoral researcher Rustem Nizamov highlighting the promise of this bio-based material.
