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September 5th, 2007
A Bar-Ilan Univeristy nanotechnology expert has invented a photovoltaic cell - which produces electricity from the sun's rays - that could be dramatically cheaper to produce.
The cells, which are composed of metallic wires mounted on conductive glass, can form the basis of solar cells that produce electricity with efficiency similar to that of conventional, silicon-based cells while being much cheaper to produce, says Prof. Arie Zaban, head of BIU's nanotechnology institute, who has just patented the technology.
The design is based on nanotechnology, which makes use of microscopic structures, and originally involved cells with an area of less than one square centimeter. But, Zaban said, his research took a "giant" step forward when he increased the size of the cells to 100 square centimeters.
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