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Laser Patterning Method for Integrated Type a-Si Solar Cell Submodules
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1986
Year
EngineeringLaser ApplicationsConventional Patterning MethodPhotovoltaic SystemSilicon On InsulatorSelective Scribing ConditionsPhotovoltaicsSolar Cell StructuresLaser Patterning MethodSolar Cell SubmodulesSolar Energy UtilisationMaterials ScienceElectrical EngineeringSolar PowerLaser Processing TechnologyLaser-assisted DepositionMicroelectronicsAdvanced Laser ProcessingApplied PhysicsBuilding-integrated PhotovoltaicsSolar CellsOptoelectronicsSolar Cell Materials
A laser patterning method was investigated as a fabrication method for integrated-type amorphous-silicon (a-Si) solar cell submodules. A three-dimensional thermal analysis of a multilayer structure was performed to determine the selective scribing conditions for each layer of an a-Si solar cell. The optimum laser power densities calculated from a three-dimensional thermal analysis were confirmed by the experiments. It was found that not only transparent conductive oxide and a-Si films, but also the metal electrodes of the integrated-type a-Si solar cell submodule were selectively scribed. The total output power of an a-Si solar cell submodule patterned by optimum laser-power densities was 9% higher than that achieved by a conventional patterning method.