Twin Domains in a Material that Harvests Energy from Light (IMAGE)

DOE/Oak Ridge National Laboratory

Twin Domains in a Material that Harvests Energy from Light

Caption

In a thin film of a solar-energy material, molecules in twin domains (modeled in left and right panels) align in opposing orientations within grain boundaries (shown by scanning electron microscopy in the center panel). Strain can change chemical segregation and may be engineered to tune photovoltaic efficiency.

Credit

Stephen Jesse/Oak Ridge National Laboratory, U.S. Dept. of Energy

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