Structural regulation of thiophene-fused benzotriazole as a “π-bridge” for A-π-D-π-A type acceptor:P3HT-based OSCs to achieve high efficiency
Jiacheng Wang, Guilong Cai, Boyu Jia, Heng Lu, Xinhui Lu, Xiaowei Zhan, Xingguo Chen
Abstract
Fine structural regulation of a thiophene-fused benzotriazole unit as a “π-bridge” yields a new A-π-D-π-A acceptor to achieve very balanced <italic>J</italic><sub>SC</sub> and <italic>V</italic><sub>OC</sub> for <bold>P3HT</bold>-based OSCs, leading to a high PCE of 7.72%.
Topics & Concepts
BenzotriazoleThiopheneAcceptorBridge (graph theory)ChemistryMaterials sciencePhysicsOrganic chemistryCondensed matter physicsMedicineInternal medicineOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research