Abstract:
A solar panel module includes a transparent carrier and semi-conductor substrate portions that have a front surface and a rear surface. The front surface is arranged for capturing radiation energy. The semiconductor substrate portions are arranged adjacent to each other on the transparent carrier and are separated from each other by a groove. Each semiconductor substrate portion is attached with the front surface to the transparent carrier. Each groove includes a side wall of each of the adjacent semiconductor substrate portions. The front surface of each semiconductor substrate portion is provided with a doped layer of a first conductivity type. Each semiconductor substrate portion includes a first electric contact for minority charge carriers and a second electric contact for majority charge carriers in the semiconductor substrate portion. The first electric contact is arranged on at least the rear surface of the semiconductor substrate portion as a heterostructure of a first type. The hetero junction of the first type includes an intrinsic semiconductor layer on the semiconductor substrate portion and a semiconductor layer of a second conductivity type, opposite to the first conductivity type,on top of the intrinsic semiconductor layer.
Abstract:
A solar panel module includes a transparent carrier and semi-conductor substrate portions that have a front surface and a rear surface. The front surface is arranged for capturing radiation energy. The semiconductor substrate portions are arranged adjacent to each other on the transparent carrier and are separated from each other by a groove. Each semiconductor substrate portion is attached with the front surface to the transparent carrier. Each groove includes a side wall of each of the adjacent semiconductor substrate portions. The front surface of each semiconductor substrate portion is provided with a doped layer of a first conductivity type. Each semiconductor substrate portion includes a first electric contact for minority charge carriers and a second electric contact for majority charge carriers in the semiconductor substrate portion. The first electric contact is arranged on at least the rear surface of the semiconductor substrate portion as a heterostructure of a first type. The hetero junction of the first type includes an intrinsic semiconductor layer on the semiconductor substrate portion and a semiconductor layer of a second conductivity type, opposite to the first conductivity type, on top of the intrinsic semiconductor layer.
Abstract:
A solar cell including a semiconductor substrate, having a front side surface for receiving radiation and back-side surface providing a first junction structure in a first area substrate portion and with a second junction structure in a second area substrate portion. The second area portion borders the first area portion. The first junction structure includes a first conductivity type semiconductor layer covering the first area portion. The second junction structure includes a second conductivity type semiconductor layer covering the second area portion. The second junction structure, second conductivity type semiconductor layer partially overlaps the first junction structure, first conductivity type semiconductor layer, with the overlapping second conductivity type semiconductor layer portion being above a first conductivity type semiconductor layer portion while separated by a first dielectric layer. The first conductivity type semiconductor layer portion under the overlapping second conductivity type semiconductor layer portion directly contacts the semiconductor substrate surface.