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)