Nanoelectronics research centre imec has taken a perovskite/silicon tandem mini-module-on-cell stack to a record 23.9% conversion efficiency, significantly exceeding its 20.2% efficiency figures reported in 2016.
China-based thin-film PV firm Hangzhou Microquanta Semiconductor has claimed a new efficiency record for perovskite mini-modules of 15.24%, certified by Newport PV Lab in Montana, US.