Highly efficient self-powered perovskite photodiode with an electron-blocking hole-transport NiOx layer. - Afzal, Amir Muhammad; Bae, In-Gon; Aggarwal, Yushika; Park, Jaewoo; Jeong, Hye-Ryeon; Choi, Eun Ha; Park, Byoungchoo (Scientific Reports, 2021)