Triple Junction Tandem Solar Cells Achieve World Record Efficiency

Researchers have achieved a certified world-record power conversion efficiency of 27.1 % for their novel triple-junction perovskite/Si tandem solar cell

Prototype solar cell - Image Credit: National University of Singapore

Improving the power conversion efficiency (PCE) of perovskite solar cells, which has surpassed 25% in recent years, faces significant challenges primarily related to stability and scalability. These cells degrade when exposed to environmental factors like moisture and heat, limiting their long-term viability. Scaling up production while maintaining efficiency and minimizing costs remains a hurdle due to the need for uniformity and consistency across large-area modules.