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Contact: Lynn Yarris
DOE/Lawrence Berkeley National Laboratory

Integrated Artificial Photosynthesis Nanosystem

Caption: This is a schematic of the nanoscale tree-like heterostructures used for solar-driven water splitting in which TiO2 nanowires (blue) are grown on the upper half of a Si nanowire (gray), and the two semiconductors absorb different regions of the solar spectrum. Insets display photoexcited electron-hole pairs separated at the semiconductor-electrolyte interface to carry out water splitting with the help of co-catalysts (yellow and gray dots).

Credit: Image from Peidong Yang group/Berkeley Lab and UC Berkeley

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