Scientists Develop Artificial Leaf That Converts Sunlight and Air into Sustainable Liquid Fuel

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Environmental and Industrial Impact

The technology could:

  • Help reduce global dependence on fossil fuels.
  • Convert CO₂ — a greenhouse gas — into useful materials.
  • Offer renewable, distributed production of fuels anywhere sunlight is available.

For sectors that can’t easily transition to electric power — like aviation, shipping, and heavy industry — these liquid fuels provide a crucial alternative.

About the Researchers and the LiSA Project

  • Lead Researcher: Dr. Peidong Yang, a pioneer in artificial photosynthesis.
  • Funding & Coordination: The U.S. Department of Energy through the Liquid Sunlight Alliance (LiSA).
  • Collaborators: Scientists from Caltech, Berkeley Lab, SLAC, NREL, UC Irvine, UC San Diego, and University of Oregon.
  • The LiSA program’s goal is to develop “fuels from sunlight” by uniting chemists, physicists, engineers, and material scientists.

Next Steps in the Research

  • Improve efficiency: Fine-tune catalysts and photoabsorbers to boost fuel output.
  • Scale up: Expand device size from a postage stamp to panels or sheets.
  • Test in real environments: Move from lab-based sunlight simulators to field tests.
  • Explore durability and cost-efficiency: Key to commercial deployment.