Photovoltaic device having enhanced rear reflecting contact

Details Photovoltaic device having enhanced rear reflecting contact Photovoltaic device having enhanced rear reflecting contact

1992-03-03

1993-07-27

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136256, 136258, 136259, 437 2, 437 4, H01L, H01L 31075, H01L 3118

Patent

active

052307468

ABSTRACT:
A photovoltaic device includes a rear reflecting conductive contact layer adjacent an active semiconductor layer. The rear layer is composed of a light transmissive conductive layer formed on the active layer, an intermediate layer formed on the light transmissive conductive layer, and a layer of light reflecting conductive material formed on the intermediate layer. The intermediate layer includes a dielectric material and portions through which the adjacent light transmissive and light reflecting conductive layers are conductively connected. For example, the intermediate layer can be provided as a thin layer of substantially only a dielectric material or as a cermet.

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