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Nicole Kuepper`s Inkjet-Printed Solar Cells: The World's Cheapest

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Nicole Kuepper, a 23 year-old Australian scientist has invented a method of making cheap solar cells out of simple materials, that any DIY-er could find in his home.

She has painted a silicon wafer with something like nail polish, then she put the wafer in a modified inkjet printer, and printed a high resolution pattern with a solution that dilutes the nail polish, like acetone. After that, she metalized the entire thing with an aluminum spray and put it into an oven at about 550°F (more or less the temperature at which you bake the pizza), and voili ! There’s the world’s cheapest silicon solar cell!

Watch the video, and if you find out more about her invention of the patterns involved, remember to place a comment here on GreenOptimistic.com, so we can find out how to do that ourselves.

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