Photovoltaic device having enhanced rear reflecting contact
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United States of America Patent
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Jul 27, 1993
Grant Date -
N/A
app pub date -
Mar 3, 1992
filing date -
Mar 3, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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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