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A tree's leaf, a blade of grass, a single algal cell: all make fuel from the simple combination of water, sunlight and carbon dioxide through photosynthesis. Now scientists say they have replicated—and improved on—that trick with their own “bionic leaf.” 
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"Researchers say they have developed an artificial "leaf” that can produce fuels such as methane and gasoline from carbon dioxide. The team claimed it is a major step towards using fuels made renewably from sunlight for everything from heating our homes to running cars, without emitting any greenhouse gases. The breakthrough, published in the Proceedings of the National Academy of Sciences, was led by Peidong Yang and his team at the Kavli Energy NanoSciences Institute at the University of California, Berkeley. It builds on the natural process of photosynthesis, where water and carbon dioxide are turned into sugar – organic fuel – by plants. By tweaking the process, via synthetic photosynthesis, it could be possible to create a whole host of different products."
Mark William's curator insight,
October 6, 2015 4:52 AM
Fuels can be produced by this artificial "Leaf" from Sunlight and Carbon Dioxide
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Here's how two U.S. firms pursued the holy grail of bioinspired design: artificial photosynthesis.
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The first fully integrated nanosystem for artificial photosynthesis is developed for producing hydrogen with cheap components and biomimicry.
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Engineers from the University of Cincinnati devise a foam that captures energy and removes excess carbon dioxide from the air — thanks to semi-tropical frogs.
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Harvesting solar energy just got one step closer to rivaling the efficiency of nature.
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A tree's leaf, a blade of grass, a single algal cell: all make fuel from the simple combination of water, sunlight and carbon dioxide through the miracle of photosynthesis. Now scientists say they have replicated—and improved—that trick by combining chemistry and biology in a "bionic" leaf.
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Research in laboratories around the world is moving the promise of artificial photosynthesis closer to reality
Photo details: A Leaf, Jon Sullivan, Wikimedia Commons, 2003, Public domain.
Emmanuel Baeten's curator insight,
January 4, 2015 12:50 PM
Production of a kilogram of hydrogen, the fuel equivalent of a gallon of gasoline, for approximately 2 USD.
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Scientists report advances toward perfecting a functional artificial leaf. Designing an artificial leaf that uses solar energy to convert water cheaply and efficiently into hydrogen and oxygen is an important goal. Hydrogen is an important fuel in itself and serves as an indispensible reagent for the production of light hydrocarbon fuels from heavy petroleum feed stocks. Society requires a renewable source of fuel that is widely distributed, abundant, inexpensive and environmentally clean. Society needs cheap hydrogen.
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Scientists have long been trying to mimic the photosynthesis perfected by leaves -- turning sunlight and water into energy that can be stored. While many have made attempts, there seems to be one group of scientists that have pulled it off. The news comes from the 241st National Meeting of the American Chemical Society, where the researchers made their announcement. The "artificial leaf" would be used to generate power for off grid homes in developing areas, and the hope is that one such "leaf" could provide enough energy for an entire household.
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"The Emory Bio-Inspired Renewable Energy Center studies photosynthesis and other tricks of Mother Nature, with the goal of tapping sunlight to generate cheap and clean sources of hydrogen fuel. "
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