US Patent Issued to Queen Mary University of London on May 12 for "Solvent annealing" (British Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,628,550, issued on May 12, was assigned to Queen Mary University of London (London).

"Solvent annealing" was invented by Joseph Briscoe (London) and Sinclair Ryley Ratnasingham (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A post-deposition treatment universally applicable to a wide range of perovskite solar cell configurations and architectures. The methodology yields significant improvements in device efficiency and lifetime coupled with a reduction in inherent batch-to-batch variability in all performance metrics. Such improvements are achieved following an aerosol-induced recrystallisation of solution-deposited MAPbI3 thin films that result ...