The Effect of Ionization Potential and Film Morphology on Exciplex Formation and Charge Generation in Blends of Polyfluorene Polymers and Silole Derivatives - Dyer-Smith, C; Benson-Smith, JJ; Bradley, DDC; Murata, H; Mitchell, WJ; Shaheen, SE; Haque, SA; Nelson, J (JOURNAL OF PHYSICAL CHEMISTRY C, 2009)