On the role of aggregation effects in the performance of perylene-diimide based solar cells

R. Singh, E. Giussani, M. M. Mrόz, F. Di Fonzo, D. Fazzi, J. Cabanillas- González, L. Oldridge, N. Vaenas, A. G. Kontos, P. Falaras, A. C. Grimsdale, J. Jacob, K. Müllen, P. E. Keivanidis, Org. Electron. (2014) 15, 1347–1361.