ALEXANDRIA, Va., July 16 -- United States Patent no. 12,672,420, issued on June 30, was assigned to Swift Solar Inc. (San Carlos, Calif.).
"Composite materials for transport layers in perovskite solar cells" was invented by Tomas Leijtens (Redwood City, Calif.), Giles Eperon (Arvada, Colo.), Rohit Prasanna (San Francisco) and Annikki Santala (Woodside, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Solar cell stack-ups are described in which fullerene based transport layers are blended with a metal halide such as LiF, CsF or MgF2. In particular, perovskite solar cell stack-ups are described in which an electron transport layer includes a metal halide and fullerene blend."
The patent was filed on Aug....