Scientists are one step closer to building a carbon-recycling system that can harvest solar energy to efficiently convert carbon dioxide (CO2) and water into liquid fuels. By optimizing many parts of the system, the scientists say, they can now drive two-electron chemical reactions, a substantial advance over one-electron reactions, which are energy inefficient. The research will aid those hoping to find a way to convert excess CO2 in the atmosphere into useful energy sources, according to the lead researcher on the study. However, while the new findings represent an important step forward, much more work must be done before this technology is ready to be employed and scaled up to meet current challenge.
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