Improving the Conductivity of Amide-Based Small Molecules through Enhanced Molecular Packing and Their Application as Hole Transport Mediators in Perovskite Solar Cells. - Alkhudhayr EAA; Sirbu D; Fsadni M; Vella B; Muhammad BT; Waddell PG; Probert MR; Penfold TJ; Hallam T; Gibson EA; Docampo P (ACS applied energy materials, 2023)