Exploring the effect of the spacer structure in the heterocyclic ring-fused isoindigo-based conjugated polymer on the charge-transporting property. - Li, Jian-Sian; Huang, Yen-Wen; Lin, Yan-Cheng; Chen, Fei-Hao; Chen, Wen-Chang; Chueh, Chu-Chen (Journal of Polymer Research, 2021)