Leaf Mark2

The bionic leaf beats mother nature

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Nature worked out how to obtain energy from sunlight long before we did, artificial photosynthesis was a proud leap for solar technology but last year Harvard created a bionic leaf which not only uses the power of the Sun to splits water molecules into oxygen and hydrogen but also utilises a bacteria to turn the hydrogen into liquid fuel.

Now, scientists at Harvard have gone one better and made a bionic leaf which is more efficient than natural ones! Some of the fastest growing plants achieve efficiencies of around 1% but the bionic leaf can achieve efficiencies of 10%

Source: Water splitting–biosynthetic system with CO2 reduction efficiencies exceeding photosynthesis – Chong Liu, Brendan C. Colón, Marika Ziesack, Pamela A. Silver, Daniel G. Nocera

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