Multi-layered thin film solar cell
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United States of America Patent
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Nov 15, 1988
Grant Date -
N/A
app pub date -
Mar 24, 1987
filing date -
Mar 24, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-layered thin film solar cell is provided, which includes a substrate, a plurality of transparent electrodes, and a plurality of groups of photoelectric conversion elements formed of semiconductor material and forming successive photoelectric conversion layers. The layers have optical band gaps which decrease successively in a direction away from a side of the cell adapted to receive incident light. The groups of elements forming the layers are laminated on the substrate. Each of the elements belonging to one of the groups is connected in series with one of the elements belonging to another of the groups and is connected in parallel with other elements in the group to which it belongs.
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