Mesoscale modeling of quantum yield in nanocrystalline devices

Samantha Irvin, Philip David Flammer, Mark Lusk, Joe Beach, Jao Van De Lagemaat & Peter Graf
A new solar material features silicon nanocrystals (nc-Si) within an amorphous silicon (a-Si) matrix. The efficiency with which photons are absorbed and converted to electric current depends on the size, orientation, volume fraction, and interface properties of nc-Si. This investigation has resulted in the development of a device level simulator which predicts quantum efficiency and voltage-current character for nc-Si/a-Si systems. These performance measures are calculated as functions of input photon energy. A number of different...
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