ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,548, issued on July 28, was assigned to Hefei Polytechnic University (Hefei, China).

"Three-dimensional framework silicon/perovskite tandem solar cell and its preparation method" was invented by Guoqing Tong (Hefei, China), Xuean Liu (Hefei, China), Yuxin Shi (Hefei, China) and Yang Jiang (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the technical field of solar cells, in particular to a three-dimensional framework silicon/perovskite tandem solar cell and its preparation method. The three-dimensional framework silicon/perovskite tandem solar cell comprises a formal structure or a trans structure; a p-type amor...