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    • 3. 发明申请
    • SOLAR CELL
    • 太阳能电池
    • US20120085397A1
    • 2012-04-12
    • US13269375
    • 2011-10-07
    • Choul KIMKwangsun JiKihoon ParkJunghoon ChoiYoungjoo Eo
    • Choul KIMKwangsun JiKihoon ParkJunghoon ChoiYoungjoo Eo
    • H01L31/06
    • H01L31/0747H01L31/02168H01L31/022441H01L31/02363H01L31/202Y02E10/50Y02P70/521
    • A solar cell includes a first conductivity type crystalline semiconductor substrate, a first amorphous silicon region, a first electrode, and a second electrode. The crystalline semiconductor substrate may include a plurality of pyramidal-shaped projections or a plurality of reverse-pyramidal shape depressions on at least one surface thereof. The first amorphous silicon region may be positioned on the crystalline semiconductor substrate and have a second conductivity type opposite the first conductivity type. The first electrode may be positioned on the first amorphous silicon region, and a second electrode positioned on the substrate. At least one pyramidal-shaped projection or at least one reverse-pyramidal shape depression may include two adjacent inclination surfaces, and a rounded edge portion where the two adjacent inclination surfaces meet.
    • 太阳能电池包括第一导电型晶体半导体衬底,第一非晶硅区域,第一电极和第二电极。 晶体半导体衬底可以在其至少一个表面上包括多个锥形突起或多个倒锥形凹陷。 第一非晶硅区域可以位于结晶半导体衬底上并且具有与第一导电类型相反的第二导电类型。 第一电极可以位于第一非晶硅区域上,第二电极位于基板上。 至少一个锥体状突起或至少一个倒锥形凹陷可以包括两个相邻的倾斜表面和两个相邻的倾斜表面相交的圆形边缘部分。