ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,464, issued on Feb. 17, was assigned to LONGI GREEN ENERGY TECHNOLOGY Co. LTD. (Shaanxi, China).

"Perovskite layer, manufacture method for perovskite layer, perovskite layer solar cell, and perovskite layer solar cell assembly" was invented by Junjie Xie (Shaanxi, China), Chen Xu (Shaanxi, China), Zifeng Li (Shaanxi, China), Zhao Wu (Shaanxi, China) and Jinling Jin (Shaanxi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a perovskite layer, a method for preparing a perovskite layer, a perovskite-layer solar cell and a perovskite-layer-solar-cell assembly, which relates to the technical field of photovoltaics, ...