Low Open-Circuit Voltage Loss in Solution Processed Small Molecule Organic Solar Cells - Tuladhar, SM; Azzouzi, M; Delval, F; Yao, J; Guilbert, AAY; Kirchartz, T; Montcada, NF; Dominguez, R; Langa, F; Palomares, E; Nelson, J (ACS Energy Letters, 2016)