Dialkoxyl-substituted naphthodithieno [3,2-b]thiophene (NDTT)-based copolymers were synthetized and characterized.
Polymer field-effect transistors were fabricated and a high mobility up to 0.07 cm2 V−1 s−1 was obtained.
Polymer solar cells were fabricated and a power conversion efficiency of 3.54% was obtained.