massachusetts institute of technology

Media from: While you’re up, print me a solar cell

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Paper solar cells
Barr holds a sheet of paper that has had one of the layers of the solar cell printed on its surface
Photo: Patrick Gillooly
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Sunny days
A paper solar cell, which has been laminated in plastic, is connected to an LCD screen to demonstrate that it is producing power from ambient sunlight.
Image courtesy of the Gleason Lab
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Power on
A paper solar cell that has been repeatedly folded is illuminated from below and connected to a voltmeter to demonstrate its output (26 V).
Image courtesy of the Gleason Lab
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After several more layers are deposited, the finished product is a flexible, foldable, bendable solar cell printed on paper.
Photo: Patrick Gillooly
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