All-perovskite tandem photovoltaics hold technological potential yet their upscaling is not trivial. Here Nejand et al. fabricate mini-modules using scalable methods and laser-scribed interconnections, achieving a 19.1% efficiency over an aperture area of 12.25 cm2.
- Bahram Abdollahi Nejand
- David B. Ritzer
- Ulrich W. Paetzold