University of Surrey scientists achieve a 23% efficiency boost and 66% longer lifespan for perovskite solar cells for affordable clean energy.
Researchers at the University of Surrey (UNIS) in collaboration with Imperial College, London, have developed a novel strategy to improve the efficiency and durability of perovskite solar cells. The study outlines advancements that enhance power conversion efficiency (PCE) to over 23% while extending the lifespan of these cells by 66%. This breakthrough is a significant step toward the adoption of sustainable energy solutions.
Perovskite solar cells have garnered attention for their potential to outperform traditional silicon panels. However, challenges in stability and efficiency, particularly in lead-tin variants, have hindered their commercial viability. By addressing hidden degradation mechanisms and devising effective solutions, the team’s work appeals to a broad audience, including residential solar users, industrial facilities, and policymakers aiming to achieve sustainable energy goals.
“To tackle the issue, we introduced an iodine-reducing agent to minimize degradation caused by chemical reactions in the whole transport layer,” explained Hashini Perera, a PhD student and lead author, advanced technology institute, UNIS. This approach not only improved efficiency but also significantly extended the operational lifespan of the cells, making them more viable for long-term use.
The research findings are poised to transform the solar energy landscape. Fully perovskite-based solar panels, which promise even greater efficiencies than current perovskite/silicon hybrids, are anticipated as the next major leap in this domain. The improved efficiency and durability make these cells ideal for large-scale installations, such as solar farms, as well as for consumers looking for cost-effective, reliable energy solutions.
Commenting on the implications of the study, Dr. Imalka Jayawardena noted, “Our work brings us closer to cost-effective and durable solar panels, enabling broader access to clean energy and reducing dependence on fossil fuels.”
The UNIS is already gearing up to test these advancements at its 12.5MW solar farm. Ravi Silva, professor, UNIS highlighted the significance of the achievement: “This research accelerates the journey toward sustainable energy solutions, ensuring greater efficiency with minimal waste.”
The findings underscore the potential of perovskite solar technology to reshape global energy systems, offering a cleaner and more efficient alternative to fossil fuels.
