Angewandte Chemie International Edition · 2019 · 66 citations · 27 references
Natural SciencesChemistryMaterials ScienceElectronic MaterialsMaterials ChemistrySemiconductor MaterialsOrganic Electronic MaterialsOrganic SemiconductorsPhotovoltaic DevicesPhotovoltaic MaterialsSolar Cell MaterialsSolar CellsInorganic-organic HybridsOrganic Photovoltaic CellsOrganic PhotovoltaicsOrganic Solar CellsOrganic-inorganic Hybrid MaterialsPower ConversionSolar Cell FabricationThin Oxide Films
Abstract By introduction of four hydroxy (HO) groups into the two perylene bisimide (PBI) bay areas, new HO‐PBI ligands were obtained which upon deprotonation can complex Zn II ions and photosensitize semiconductive zinc oxide thin films. Such coordination is beneficial for dispersing PBI photosensitizer molecules evenly into metal oxide films to fabricate organic–inorganic hybrid interlayers for organic solar cells. Supported by the photoconductive effect of the ZnO: HO‐PBI hybrid interlayers, improved electron collection and transportation is achieved in fullerene and non‐fullerene polymer solar cell devices, leading to remarkable power conversion efficiencies of up to 15.95 % for a non‐fullerene based organic solar cell.
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