Nanjing University said Professor Tan Hairen’s team, together with the RenShuo Photonics industrialization research team and Professor Wang Yuanyuan’s chemistry group at Nanjing University, developed a large-area all‑perovskite tandem photovoltaic module that achieved a Japan Electrical Safety and Environment Technology Laboratory (JET)‑certified power conversion efficiency of 26.2%, a world record.

2026-06-16

Nanjing University said Professor Tan Hairen’s team, together with the RenShuo Photonics industrialization research team and Professor Wang Yuanyuan’s chemistry group at Nanjing University, developed a large-area all‑perovskite tandem photovoltaic module that achieved a Japan Electrical Safety and Environment Technology Laboratory (JET)‑certified power conversion efficiency of 26.2%, a world record.