Deciphering the role of hole transport layer HOMO level on the open circuit voltage of perovskite Solar cells - Jiang, Z; Du, T; Lin, C; Macdonald, TJ; Chen, J; Chin, Y; Xu, W; Ding, B; Kim, J; Durrant, JR; Heeney, M; McLachlan, MA (Advanced Materials Interfaces, 2023)