On June 26, Hainan University announced that its Renewable Energy Photovoltaic Materials and Devices Team from the School of Physics and Optoelectronic Engineering has achieved a major breakthrough in the independent development of a single-junction perovskite solar cell. According to data strictly certified by the National Photovoltaic Industry Measurement and Testing Center and officially released on May 28, the photoelectric conversion efficiency of the perovskite cell developed by Hainan University reached 27.32%, with the certified forward-scan, reverse-scan, and steady-state efficiency values highly consistent. This efficiency surpasses the previous world record of 26.95% published by the U.S. National Renewable Energy Laboratory in February 2025 as well as the 27.3% industry benchmark value recorded in the Martin Green Solar Cell Efficiency Tables in May 2025.

This achievement not only demonstrates Hainan University's collaborative innovation strength in the field of perovskite solar cell research but also provides a key reference for further efficiency improvements across the industry. The research team is currently accelerating the optimization of technical parameters, preparing to establish a cross-regional industry-academia-research cooperation platform, and focusing on building a full-chain closed-loop technology system encompassing "computational design—intelligent fabrication—precision testing." The plan is expected to be completed by the end of 2025, aiming to further enhance the photoelectric conversion efficiency and stability of perovskite solar cells and promote their large-scale application in the green energy sector.