Artificial Photosynthesis System (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Artificial Photosynthesis System

Caption

Under the fuel through artificial photosynthesis scenario, nanotubes embedded within a membrane would act like green leaves, using incident solar radiation (Hγ) to split water molecules (H2O), freeing up electrons and oxygen (O2) that then react with carbon dioxide (CO2) to produce a fuel, shown here as methanol (CH3OH). The result is a renewable green energy source that also helps scrub the atmosphere of excessive carbon dioxide from the burning of fossil fuels.

Credit

Robert Flavio, Berkeley Lab Public Affairs

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