Sonia Renthlei: A team of Austrian and Japanese researchers have announced that they’ve succeeded in creating micro thin solar cells that are thinner than the strand of spider silk. The revolutionary thin film device consists of electrodes on plastic foil and measures a mere 1.9 micro meters thick, making it 10 times thinner than the thinnest of all available solar cells, according to the researchers. 
Scientists develop ultra-thin solar cells
Google ...The power generated by solar cells increases with size and Sekitani added that the cells could be made larger to increase their efficiency. Currently, the cells aren’t powerful enough for any gadget but should be ready for the market in another five years.
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