Advanced Energy Materials · 2013 · 94 citations · 46 references
Natural SciencesMaterials EngineeringMaterials ScienceElectronic MaterialsEnergy MaterialsSemiconductor MaterialsOrganic Electronic MaterialsOrganic SemiconductorsPhotovoltaic DevicesPhotovoltaic MaterialsSolar Cell MaterialsSolar CellsFill FactorOrganic Photovoltaic CellsOrganic PhotovoltaicsOrganic Solar CellsPower ConversionPower Conversion EfficiencySmall-molecule Organic SemiconductorsSmall-molecule Semiconductors
An oligothiophene-based molecule (BDT-3T-CA) using a molecular engineering approach is applied to solution-processed layer-by-layer solar cells. The solar cells based on BDT-3T-CA/PC61BM (a fullerene derivative) exhibit power conversion efficiency (PCE) values as high as 4.16% and fill factor (FF) values up to 0.75. The FF of 0.75 is the highest value reported for solution processed small molecule solar cells.
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Two-layer organic photovoltaic cell
C. W. Tang · Applied Physics Letters · 1986 · 4.9K citations
Natural Sciences, Materials Engineering, Materials Science +17