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Most Popular in Materials
DuPont has acquired Silicon Valley start-up Innovalight, a maker of silicon inks and process technologies that increase the conversion efficiency of crystalline silicon solar cells. The ink, made from silicon nanoparticles dispersed in a chemical blend, can be applied with industry-standard screen printers. DuPont says it sold more than $1 billion worth of materials for the photovoltaic market in 2010.
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