An asymmetric small molecule acceptor for organic solar cells with a short circuit current density over 24 mA cm<sup>−2</sup>
Fangfang Cai, Hongjian Peng, Honggang Chen, Jun Yuan, Jiefeng Hai, Tsz‐Ki Lau, Wang Ju, Yunbin Hu, Wei Liu, Xinhui Lu, Yingping Zou
Abstract
Acceptor <bold>Y22</bold> with an asymmetric hexacyclic A–DA′D–A structure achieved a high PCE of 15.4% and a high <italic>J</italic><sub>sc</sub> of 24.37 mA cm<sup>−2</sup>, which are among the best values reported for asymmetric acceptor based binary organic solar cells.
Topics & Concepts
AcceptorOrganic solar cellMoleculeMaterials scienceBinary numberChemistryPhysicsCondensed matter physicsOrganic chemistryMathematicsPolymerComposite materialArithmeticOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications