Revolutionizing Solar Panels with Long-lasting Lead-Tin Perovskites

**An international research team** led by the University of Surrey and Imperial College London has unveiled a breakthrough in solar cell technology by improving both efficiency and stability of perovskite solar cells. Known as a 'miracle material,' perovskite holds potential for transforming available solar technologies due to its inherent properties. In their recent study published in *Energy and Environmental Science*, the researchers report achieving over 23% power conversion efficiency in lead-tin perovskite solar cells. The revolutionary aspect of this research lies in the identification of hidden degradation pathways in these cells, which allowed the team to devise a strategy to mitigate these issues. **Through the addition of an iodine-reducing agent**, they were able to effectively inhibit chemical reactions that cause cell degradation, significantly **extending the operational lifespan** by up to 66%. This advancement stands to make perovskite solar technology a viable competitor in the market, especially when considering the eventual goal of developing 'all-perovskite' panels. The findings of the University of Surrey's Advanced Technology Institute could herald a new era in solar panel production, sparking movements toward more affordable and accessible clean energy solutions and reducing reliance on fossil fuels. The researchers also addressed *UN Sustainable Development Goals*, contributing to goals focused on affordable clean energy, climate action, and industrial advancements. As this research progresses, the team plans on testing these innovative modules in a real-world 12.5MW solar farm project.