The Importance of Microstructure in Determining Polaron Generation Yield in Poly(9,9-dioctylfluorene) - Cheetham,NJ; Ortiz,M; Pereyedentsev,A; Dion-Bertrand,L-I; Greetham,GM; Sazanoyich,I; Towrie,M; Parker,AW; Nelson,J; Silva,C; Bradley,DDC; Hayes,SC; et al. (CHEMISTRY OF MATERIALS, 2019)