TechnologyKorean Lab Sets 26.7% Tandem Solar Cell RecordA government lab in South Korea certified a world-record 26.7% efficiency for a perovskite/CIGS tandem solar cell, edging closer to ultralight power for satellites.
TechnologyAll-Perovskite Solar Cells Crack 30% Efficiency for the First TimeChinese researchers have built the first all-perovskite tandem solar cell to surpass 30% certified efficiency, a milestone that pushes the cheap, flexible technology past long-time leader silicon.