The performance of inverted perovskite solar cells has been limited by non-radiative recombination at the perovskite surfaces. Here, authors employ phosphonic acids and piperazinium chloride for homogeneous passivation, achieving certified efficiency of 28.9% for 60 cm2 perovskite-silicon tandems.
- Kerem Artuk
- Aleksandra Oranskaia
- Christian M. Wolff
