Printing solar cells on paper
Using nanoscale materials means that solar cells can be deposited onto a wide range of substrates, including flexible plastic and metal foils. MIT researchers claim to be the first to coat paper with the two layers of semiconductor needed to make a solar cell. In this case, they used a carbon-based dye but the breakthrough was the coating process, which is similar to an inkjet printer, explained Bulovic.
May 5, 2010 8:31 AM PDT
Photo by: Martin LaMonica
| Caption by: Martin LaMonica
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