Effect of disorder on exciton dissociation in conjugated polymers Project supported by the National Natural Science Foundation of China (Grant Nos. 11474218 and 11575116). |
(color online) Dynamical evolution of the staggered bond order parameter δi = (−1)i(ui+1−ui)/2 with time for singlet excitons. (a) U = 2.0 eV, E0 = 5.0 mV/Å, σɛ = 0 eV; (b) U = 2.0 eV, E0 = 5.8 mV/Å, σɛ = 0 eV; (c) U = 2.0 eV, E0 = 5.0 mV/Å, σɛ = 0.1 eV. |