Ascent Solar Wins High Efficiency Solar Cell Program

Littleton, Colorado [RenewableEnergyAccess.com] Ascent Solar Technologies, Inc. announced that it has been selected by the U.S. Air Force to develop an innovative flexible thin film tandem solar cell with the goal of demonstrating thin film photovoltaic efficiencies of 20%. Tandem solar cells are a combination of two cells stacked atop one another, with the top and bottom cells gathering energy from separate parts of the solar spectrum. Tandem cells require two solar cells that not only have the desired electrical and optical properties, but must also share compatible manufacturing processes. The program will be performed under a phase one Small Business Innovative Research (SBIR) contract.

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