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Scientists from the Massachusetts Institute of Technology have finally developed the world’s first practical artificial leaf that can split water into hydrogen and oxygen using sunlight at an economical cost, thereby achieving one of the milestones in the drive for sustainable energy.
They have described an advanced solar cell the size of a poker card that mimics the process, called photosynthesis, that green plants use to convert sunlight and water into energy.
“A practical artificial leaf has been one of the Holy Grails of science for decades. We believe we have done it,” said Daniel Nocera, who led the research team.
The new discovery shows particular promise as an inexpensive source of electricity for homes of the poor in developing countries.
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