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Electrodeposited Nanocomposite n-p Heterojunctions for Solid-State Dye-Sensitized Photovoltaics
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2000
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Materials ScienceElectrical EngineeringChemical EngineeringPorous Zno LayersNew Electrodeposition MethodRecord Conversion EfficiencyEngineeringOrganic Solar CellNanocomposite N-p HeterojunctionsPhoto-electrochemical CellElectrochemical CellSolar CellsElectrochemical InterfacePhotovoltaicsElectrode Reaction MechanismElectrochemistry
A new electrodeposition method for making porous ZnO layers with highly oriented and columnar morphology is reported here. A monolayer of dye is adsorbed onto the ZnO followed by electrodeposition of p-type CuSCN to create a complete inner-surface electrical contact, resulting in a bicontinuous-network heterojunction (see Figure) to give a photovoltaic cell showing record conversion efficiency.