| 摘要 |
Solar cell (1) comprising a silicon wafer (3) having a basic doping, a light-receiving front side (4) and a backside (6), which is provided with an interdigital semiconductor pattern, which interdigital semiconductor pattern comprises a first pattern of at least one first diffusion zone (9) having a first doping and a second pattern of at least one second diffusion zone (10), separated from the first diffusion zone(s) (9) and having a second doping that differs from the first doping, wherein each second diffusion zone (10) is arranged along the sides of at least one groove (12) extending from the backside (6) into the silicon wafer (3). |
