Optimization of active layer morphology by small-molecule donor design enables over 15% efficiency in small-molecule organic solar cells
Cunbin An, Yunpeng Qin, Tao Zhang, Qianglong Lv, Jinzhao Qin, Shaoqing Zhang, Chang He, Harald Ade, Jianhui Hou
Abstract
Two conjugated small molecules with different conjugated side chains were synthesized to study their photovoltaic performances.
Topics & Concepts
Conjugated systemOrganic solar cellSmall moleculeMoleculeActive layerPhotovoltaic systemMaterials scienceMorphology (biology)Layer (electronics)Energy conversion efficiencyChemistryNanotechnologyPolymerOptoelectronicsOrganic chemistryComposite materialEngineeringBiochemistryBiologyGeneticsElectrical engineeringThin-film transistorOrganic Electronics and PhotovoltaicsConducting polymers and applicationsPerovskite Materials and Applications