ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,514,054, issued on Dec. 30, was assigned to PRINCE MOHAMMAD BIN FAHD UNIVERSITY (Dhahran, Saudi Arabia).

"Method for generating electricity using a multilayer perovskite solar cell" was invented by Syed M. Hasnain (Brisbane, Australia) and M. Amin Mir (Srinagar, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lead-free solar cell includes, in the following order, a back metal contact layer including gold (Au), a hole transport layer (HTL) including copper oxide (Cu2O), an inorganic absorber layer including rubidium germanium iodide (RbGeI3), a perovskite absorber layer including methylammonium tin iodide (MASnI3), an electron transport layer (ETL...