Charge-Transfer State Dynamics Following Hole and Electron Transfer in Organic Photovoltaic Devices - Bakulin, AA; Dimitrov, SD; Rao, A; Chow, PCY; Nielsen, CB; Schroeder, BC; McCulloch, I; Bakker, HJ; Durrant, JR; Friend, RH (JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 2013)