Publication | Closed Access
High‐Performance Inverted Organic Photovoltaics with Over 1‐μm Thick Active Layers
85
Citations
43
References
2014
Year
EngineeringOrganic ElectronicsThick Active LayersOrganic Solar CellPhotovoltaic DevicesOptoelectronic DevicesChemistryPhotovoltaicsOrganic PhotovoltaicsChemical EngineeringSolar Cell StructuresPolymer ChemistryMaterials ScienceElectrical EngineeringBulk HeterojunctionSolar PowerOrganic SemiconductorSemiconducting PolymerApplied PhysicsConjugated PolymerSolar CellsOptoelectronicsBhj ThicknessSolar Cell Materials
An efficiency of 8.62% is observed from inverted organic photovoltaics (OPVs) composed of a bulk heterojunction (BHJ) active layer with a thickness of 280 nm. Remarkably, an efficiency of 7.24% can be obtained using OPVs with a BHJ thickness of 1000 nm. Such high efficiencies from thick BHJ composite films are attributed to the high hole mobility and ordered molecular structure of the electron-donor polymer.
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