Standalone 'leaf' produces liquid fuel from sun, water and CO₂ with record efficiency

A Yale-led research team has developed the first standalone device that produces the liquid fuel methanol using only sunlight, water, and carbon dioxide as the ingredients. The artificial “leaf,” like its namesake in nature, is a chemistry marvel. It brings the scientific mimicry of photosynthesis—the process of converting sunlight and water into chemical energy—to a new level, converting sunlight to methanol 32 times more efficiently than the previous conversion record for artificial leaf technologies that generate alcohol products.



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