Carrier motion in as-spun and annealed P3HT:PCBM blends revealed by ultrafast optical electric field probing and Monte Carlo simulations - Abramavicius, V; Vithanage, DA; Devizis, A; Infahsaeng, Y; Bruno, A; Foster, S; Keivanidis, PE; Abramavicius, D; Nelson, J; Yartsev, A; Sundstroem, V; Gulbinas, V (PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2014)