Halogen-substituted phenazine cores reduce energy losses and optimize carrier dynamics in tethered acceptors for 19.8% efficient and stable polymer solar cells
Liang Zeng, Rong Hu, Ming Zhang, Seunglok Lee, Qingyuan Wang, Shixin Meng, Qi Chen, Jiangang Liu, Ling‐Wei Xue, Liwei Mi, Changduk Yang, Zhiguo Zhang
Abstract
The thermodynamic relaxation and rigidity of small-molecule acceptors drive an oligomeric design approach in polymer solar cells, achieving device efficiencies approaching 20% through tailored molecular engineering.
Topics & Concepts
PhenazinePolymerHalogenMaterials scienceDynamics (music)Organic solar cellChemical physicsNanotechnologyChemistryOptoelectronicsChemical engineeringOrganic chemistryPhysicsAlkylEngineeringAcousticsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsOrganic Light-Emitting Diodes Research