Infl ence of Ion Ind ced Local Co lo b Field and Pola ity on Cha ge Gene ation and Effi ciency in Poly (3-Hexylthiophene) Based Solid-State Dye-Sensitized Solar Cells - Abrusci,A; Sai,R; Kumar,S; Al-Hashimi,M; Heeney,M; Petrozza,A; Snaith,HJ (Adv. Funct. Mater, 2011, 2011)