Efficient all-polymer solar cells based on a narrow-bandgap polymer acceptor
Zhihong Yin, Yang Wang, Qing Guo, Lei Zhu, Haiqin Liu, Fang Jin, Xia Guo, Feng Liu, Zheng Tang, Maojie Zhang, Yongfang Li
Abstract
A new narrow-bandgap polymerized small molecule acceptor, namely <bold>PG1</bold>, was designed and synthesized. The optimal all-polymer solar cells (all-PSCs) based <bold>PBDB-T:PG1</bold> achieved an outstanding PCE of 11.5% with a high <italic>V</italic><sub>oc</sub> of 0.94 V.
Topics & Concepts
Materials sciencePolymerAcceptorBand gapPolymerizationPolymer solar cellMoleculeOptoelectronicsOrganic chemistryChemistryComposite materialCondensed matter physicsPhysicsOrganic Electronics and PhotovoltaicsPerovskite Materials and ApplicationsConducting polymers and applications