ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,648, issued on April 21, was assigned to Pacific Integrated Energy Inc. (San Diego) and Iowa State University Research Foundation Inc. (Ames, Iowa).

"Thin-film crystalline silicon solar cell using a nanoimprinted photonic-plasmonic back-reflector structure" was invented by Vikram Dalal (Ames, Iowa) and David Keogh (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are embodiments of a thin-film photovoltaic technology including a single-junction crystalline silicon solar cell with a photonic-plasmonic back-reflector structure for lightweight, flexible energy conversion applications. The back-reflector enables high absorption for lo...