US Patent Issued to The Regents of the University of Michigan on July 22 for "Acceptor bottom layer for organic photovoltaics" (Michigan Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,447, issued on July 22, was assigned to The Regents of the University of Michigan (Ann Arbor, Mich.).

"Acceptor bottom layer for organic photovoltaics" was invented by Stephen R. Forrest (Ann Arbor, Mich.) and Kan Ding (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic photovoltaic device comprises an anode and a cathode, an active layer positioned between the anode and the cathode, comprising a first donor material and a first acceptor material in a first ratio, and an interface layer positioned between the anode and the cathode, comprising a second donor material and a second acceptor material in a second ratio. A method o...