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Saturday, 4 June 2016

Scientists create Bionic leaf that turns sunlight into liquid fuel

A team of scientists from Harvard University (United States) has created a unique bionic leaf that uses sunlight (solar energy) to split water molecules into oxygen and hydrogen and hydrogen-eating bacteria to produce liquid fuels from CO2. This artificial photosynthesis device has been dubbed bionic leaf 2.0. The new system can convert solar energy to biomass with 10% efficiency.  Its efficiency is much higher than the 1% seen in the
fastest growing plants. Scientists had used a new cobalt-phosphorous alloy catalyst for this experiment in order to increase efficiency. The catalyst chemical design allows the system to self-heal i.e. doesn’t allow material to leech into solution. Significance: This artificial photosynthesis system can be used to generate usable fuels. This artificial leaf use solar power to split water and make hydrogen fuel.

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