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'Artificial Leaf'-A New Energy Source

Researchers from Massachusetts Institute of Technology have invented the world's first artificial leaf that can turn water into hydrogen and oxygen with the help of sunlight without needing any external connections, is seen with some real leaves, which also convert the energy of sunlight directly into storable chemical form. Researchers led by MIT professor Daniel Nocera have produced something they’re calling an “artificial leaf”: Like living leaves, the device can turn the energy of sunlight directly into a chemical fuel that can be stored and used later as an energy source. In this a silicon solar cell with different catalytic materials bonded onto its two sides which needs no external wires or control circuits to operate. Bound onto the silicon is a layer of a cobalt-based catalyst, which releases oxygen, a material whose potential for generating fuel from sunlight was discovered by Nocera and his co-authors in 2008. The other side of the silicon sheet is coated wit...

Energy From Window!

Did you ever think about producing energy from the window of your home to meet up with the energy needs? An Israeli company named Pythagoras Solar invented the World’s first transparent Photovoltaic glass unit (PVGU) which will produce energy from sunlight directly. Pythagoras Solar beat out nearly 5000 entrants to win this year’s $100,000 GE Ecomagination Challenge, which recognizes the most promising green energy building innovations, for its unique solar window. According to the CEO of Pythagoras Solar, the window will produce benefits such as power generation and reducing the building energy needs, while allowing light in. The technology is its optical design uses direct light to generate energy, while optimising daylight inside the building. Photovoltaic Glass Units (PVGUs), are compatible with standard glazing systems, combine energy efficiency, high density solar power generation and transparency. PVGUs employ a prism system that steers most of the so-called direct ...

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