Method for making a photodetector with enhanced light absorption

Coating processes – Electrical product produced – Photoelectric

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427 75, 427109, H01L 3118

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active

046631887

ABSTRACT:
A photodetector including a light transmissive electrically conducting layer having a textured surface with a semiconductor body thereon. This layer traps incident light thereby enhancing the absorption of light by the semiconductor body. A photodetector comprising a textured light transmissive electrically conducting layer of SnO.sub.2 and a body of hydrogenated amorphous silicon has a conversion efficiency about fifty percent greater than that of comparative cells. The invention also includes a method of fabricating the photodetector of the invention.

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