US Patent Issued to The Regents of the University of California on Sept. 1 for "Ligand-free processable perovskite semiconductor ink" (California Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,323, issued on Sept. 1, was assigned to The Regents of the University of California (Oakland, Calif.).

"Ligand-free processable perovskite semiconductor ink" was invented by Peidong Yang (Kensington, Calif.) and Maria C. Folgueras (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a phase-pure Cs2TeX6 powder can include: dissolving a precursor TeX in a solution; rapidly adding a stoichiometric amount of respective CsX precursor to the solution, resulting in Cs2TeX6 powder immediately precipitating out of the solution; removing excess solution from the solution, resulting in the phase-pure Cs2Te X6 powder; washing th...