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Hybrid window layer for photovoltaic cells

United States Patent

February 23, 2010
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A novel photovoltaic solar cell and method of making the same are disclosed. The solar cell includes: at least one absorber layer which could either be a lightly doped layer or an undoped layer, and at least a doped window-layers which comprise at least two sub-window-layers. The first sub-window-layer, which is next to the absorber-layer, is deposited to form desirable junction with the absorber-layer. The second sub-window-layer, which is next to the first sub-window-layer, but not in direct contact with the absorber-layer, is deposited in order to have transmission higher than the first-sub-window-layer.
Deng; Xunming (Syvania, OH)
The University of Toledo (Toledo, OH)
10/ 696,545
October 29, 2003
This invention was made with Government support under National Renewable Energy Laboratory (NREL) contract No. NDJ-1-30630-08 awarded by the Department of Energy. The government has certain rights in this invention.