Patent ID: 7888167
Filing Date: 2011-02-15
Classification: H01L,Y02E

Abstract:
1. A method for manufacturing a photoelectric conversion device comprising: forming a first electrode over a substrate, forming a first semiconductor layer of a microcrystalline semiconductor including an impurity element imparting one conductivity type, over the first electrode, by introducing a reaction gas including a semiconductor source gas and a dilution gas which are mixed in a mixing ratio at which the microcrystalline semiconductor can be formed into a reaction chamber and producing plasma to deposit a film, forming a second semiconductor layer including a crystal with a three-dimensional shape tapered in a direction of deposition of a film, over the first semiconductor layer, by reducing a flow ratio of the dilution gas to the semiconductor source gas as compared to the reaction gas used for the first semiconductor layer, forming a third semiconductor layer including an impurity element imparting a conductivity type opposite to the first semiconductor layer, over the second semiconductor layer, and forming a second electrode over the third semiconductor layer.