Cyclopentadithiophene-benzothiadiazole oligomers and polymers; synthesis, characterisation, field-effect transistor and photovoltaic characteristics - Horie,M; Kettle,J; Yu,C-Y; Majewski,LA; Chang,S-W; Kirkpatrick,J; Tuladhar,SM; Nelson,J; Saunders,BR; Turner,ML (JOURNAL OF MATERIALS CHEMISTRY, 2012)