Efficiency record for black silicon solar cells jumps to 22.1 percent

Aalto University’s researchers improved their previous record by over 3 absolute percents in cooperation with Universitat Politècnica de Catalunya AALTO UNIVERSITY: The researchers from Finland’s Aalto University and Universitat Politècnica de Catalunya have obtained the record-breaking efficiency of 22.1% on nanostructured silicon solar cells as certified by Fraunhofer ISE CalLab. An almost 4% absolute increase