SINGLE CRYSTAL SILICON SOLAR CELL AND PROCESS FOR MANUFACTURING SAME

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PROBLEM TO BE SOLVED : To provide a single crystal silicon solar cell employing high-crystallinity single crystal silicon in a thin film light conversion layer as a see-through type solar cell. SOLUTION : The process for manufacturing a single crystal silicon solar cell comprises a step for injecting hydrogen ions or rare gas ions into a single crystal silicon substrate, a step for sticking the single crystal silicon substrate to a transparent insulating substrate through a transparent adhesive with the ion injection surface as the sticking surface, a step for hardening the transparent adhesive, a step for stripping the single crystal silicon substrate mechanically by applying an impact to the ion injection layer thus obtaining a single crystal silicon layer, a step for forming a plurality of second conductivity type diffusion regions on the stripping surface side of the single crystal silicon layer such that a plurality of first conductivity type diffusion regions and a plurality of second conductivity type diffusion regions exist on the stripping surface side of the single crystal silicon layer, a step for forming a plurality of individual electrodes on the plurality of first conductivity type diffusion regions and second conductivity type diffusion regions, respectively, and a step for forming current collection electrodes, respectively. COPYRIGHT : (C)2008, JPO&INPIT