Swiss scientists have built a 4T tandem perovskite/CIGS mini-panel with a geometric fill factor of over 93%. It combines a 10.8%-efficient mini perovskite module and a 15.1%-efficient CIGS device.

The latest collaboration between the U.S. Dept of Energy’s National Renewable Energy Laboratory (NREL) and perovskite-silicon tandem manufacturer CubicPV, based in Bedford, Massachusetts, has yielded ...

After a long road-trip, and back canyon carving in a 2025 Mini Cooper S; I found it lost something, but gained a lot. It must be a pain to design something that has to maintain its iconic status.