Abstract: A photoelectric device is disclosed. The photoelectric device includes a semiconductor substrate, first and second semiconductor stacks having opposite conductive types and alternately arranged on a first surface of the semiconductor substrate, and a gap insulation layer formed between the first and second semiconductor stacks. An undercut may be formed in the gap insulation layer. A method of manufacturing a photoelectric device is also disclosed.

Abstract: A photovoltaic power generation apparatus including a photovoltaic power generator; a frame coupled to an edge of the photovoltaic power generator; and a holder coupled to the frame, the frame including a female coupling part coupled to the edge of the photovoltaic power generator, and an inserting part extending from the female coupling part and being inserted in the holder.

Abstract: A photoelectric device is disclosed. The photoelectric device includes a semiconductor substrate, first and second semiconductor stacks having opposite conductive types and alternately arranged on a first surface of the semiconductor substrate, and a gap insulation layer formed between the first and second semiconductor stacks. An undercut may be formed in the gap insulation layer. A method of manufacturing a photoelectric device is also disclosed.

Abstract: A solar cell array includes a number of solar cell modules, each of the solar cell modules including a frame having a first side extending along a first direction, and a first insertion hole is formed in the first side and extending along the first direction. The solar cell array also includes a connecting structure extending along a second direction perpendicular to the first direction for connecting two adjacent modules of the solar cell modules, and the connecting structure includes a first coupling portion and a second coupling portion respectively received in the first insertion holes of the two adjacent modules, wherein each of the first insertion holes has a guide portion and an insertion portion, the guide portion bending from the insertion portion to guide the first coupling portion and the second coupling portion into the respective guide portions.

Abstract: A solar cell includes a base substrate including a first surface and a second surface opposite the first surface, the base substrate being configured to have sunlight incident on the first surface, a doping layer on the first surface of the base substrate, a first passivation layer on the doping layer, the first passivation layer including hydrogen, a first capping layer on the first passivation layer, the first capping layer being configured to prevent discharge of hydrogen from the first passivation layer, a first electrode on the first capping layer, and a second electrode on the second surface of the base substrate.