19. Machine Learning-Assisted Fabrication of PCBM-Perovskite Solar Cells with Nanopatterned TiO2 Layer. Siti Norhasanah Sanimu, Hwa-Young Yang, Jeevan Kandel, Ye-Chong Moon, Gangasagar Sharma Gaudel, Seung-Ju Yu, Yong Ju Kim*, Sejung Kim*, Bong-Hyun ...