Patent ID: 8288647

Claim:
A photoelectric conversion device comprising at least one p-i-n type photoelectric conversion part including a first conductivity type semiconductor layer, a first i-type semiconductor layer, a second i-type semiconductor layer and a second conductivity type semiconductor layer stacked in this order, wherein the first i-type semiconductor layer and the second i-type semiconductor layer are each made of microcrystalline silicon, a crystallization ratio of the first i-type semiconductor layer is lower than a crystallization ratio of the second i-type semiconductor layer, the second i-type semiconductor layer has a crystallization ratio changing layer at an interface between the first i-type semiconductor layer and the second i-type semiconductor layer, a film thickness of the crystallization ratio changing layer is 5 nm to 30 nm, and a change rate of a crystallization ratio of the crystallization ratio changing layer in a film-thickness direction is 0.017 to 0.10 nm âˆ’1 .