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.
Researchers at France's National Solar Energy Institute (INES) – an arm of the French Alternative Energies and Atomic Energy Commission (CEA) – have fabricated an 18%-efficient mini perovskite solar ...
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