New Solar Cell Technology Uses Less Expensive Materials
Technology Review: Nanopillar Solar CellsMONDAY, JULY 06, 2009Researchers at the University of California, Berkeley, have made a new kind of solar cell by growing an array of upright nanoscale pillars on aluminum foil. They make bendable solar cells by encapsulating the entire cell inside a transparent, rubbery polymer. The design, the researchers suggest, could lead to solar cells that cost less than conventional silicon photovoltaics.The nanopillars allow the researchers to use cheaper, lower-

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New Solar Cell Technology Uses Less Expensive Materials