AIST

TiOx Breakthrough Boosts Tandem Solar Cell Commercialization
Innovative TiOx interconnect boosts perovskite-silicon solar cell efficiency to 26.5%, paving the way for cost-effective, scalable, and sustainable solar energy solutions.
Apr 30, 2025 // Technology, Japan, UK, Europe, Asia, solar cell, perovskite, silicon, efficiency, University of Oxford, AIST, National Institute of Advanced Industrial Science and Technology
Chalcopyrite solar cell for tandem applications, photocatalytic water splitting
Japanese scientists have built a chalcopyrite PV device for tandem solar cells and water splitting for hydrogen generation. The tool has a power conversion performance of 11.05%, an open-circuit voltage of 0.960 V, a short-circuit current density of 15.9 mA centimeters − 2, and a fill element of 72.4%.
Aug 3, 2022 // Technology, Japan, Asia, solar cell, efficiency, AIST