Atomic switcheroo explains origins of thin-film solar cell mystery

Wednesday, April 23, 2014 - 14:01 in Physics & Chemistry

Treating cadmium-telluride (CdTe) solar cell materials with cadmium-chloride improves their efficiency, but researchers have not fully understood why. Now, an atomic-scale examination of the thin-film solar cells led by the Department of Energy's Oak Ridge National Laboratory has answered this decades-long debate about the materials' photovoltaic efficiency increase after treatment.

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