Improved large scale perovskite/silicon tandem devices

Key Facts Best performing tandem device on flat single-side textured bottom cell at 25.4% (steady-state efficiency, in-house measurement) on 1.42 cm2 active area featuring an open-circuit voltage of 1.817 V, a short-circuit current of 19.24 mA/cm2 and a fill factor of 74% Best performing tandem device on fully textured bottom cell at 25.24% (steady-state efficiency, … Read more

Perovskite/silicon tandem solar cell with an efficiency of 25.4% on an active area of 1.43 cm2

Key Facts Perovskite/silicon heterojunction tandem cell (1.43 cm2) on a single-sided textured bottom cell with a power conversion efficiency of 25.4% and current-matching between the two sub-cells; the same cell also gave 25.6% in light-IV measurements Fully textured bottom cell showing power conversion efficiency of 25.6% (25.24% maximum power point (MPP) tracked) Depositing of perovskite … Read more