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SOLAR CELL WITH HIGH PHOTOELECTRIC CONVERSION EFFICIENCY AND METHOD FOR MANUFACTURING SOLAR CELL WITH HIGH PHOTOELECTRIC CONVERSION EFFICIENCY
SOLAR CELL WITH HIGH PHOTOELECTRIC CONVERSION EFFICIENCY AND METHOD FOR MANUFACTURING SOLAR CELL WITH HIGH PHOTOELECTRIC CONVERSION EFFICIENCY
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机译:具有高光电转换效率的太阳能电池及制造具有高光电转换效率的太阳能电池的方法
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摘要
A method for manufacturing a solar cell, including the steps of: forming unevenness on both of main surfaces of a semiconductor substrate of a first conductivity type; forming a base layer on a first main surface of the semiconductor substrate; forming a diffusion mask on the base layer; removing the diffusion mask in a pattern; forming an emitter layer on the portion of the first main surface where the diffusion mask have been removed; removing the remaining diffusion mask; forming a dielectric film on the first main surface; forming a base electrode on the base layer; and forming an emitter electrode on the emitter layer. This provides a method for manufacturing a solar cell that can bring high photoelectric conversion efficiency while decreasing the number of steps.
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