Photovoltaic device

Batteries: thermoelectric and photoelectric – Photoelectric – Cells

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Details

136258, 136259, 257436, 257458, 257464, 257465, H01L 31075

Patent

active

055497632

ABSTRACT:
In a photovoltaic device, when an internal electric field in a photoelectric conversion layer becomes non-uniform in the surface direction of the layer for a reason such as the interface between a transparent conductive film and the photoelectric conversion layer being formed in an irregular shape, the internal electric field in the photoelectric conversion layer is made uniform by (1) making the thickness of an intrinsic layer inside the photoelectric conversion layer in portions of the photoelectric conversion layer where the internal electric field becomes weak smaller than that in the other portions, (2) providing regions where conductivity is high and activation energy is low in the photoelectric conversion layer in the said portions, or (3) containing a ferroelectric material in a portion of the intrinsic layer inside the photoelectric conversion layer.

REFERENCES:
patent: 4956685 (1990-09-01), Fischer et al.
patent: 5244509 (1993-09-01), Arao et al.
patent: 5370747 (1994-12-01), Noguchi et al.
Extended Abstracts (The 52nd Autumn Meeting, 1991), The Japan Society of Applied Physics, 9p-D-8 (Translation)

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