Low-grade silicon for cheaper, more efficient solar panels

Photo courtesy Phys.orgFrom @gizmag — A team from the University of New South Wales (UNSW) in Australia has found a way to improve the quality of low-grade silicon, enabling higher efficiency solar cells to be produced from cheaper, low-grade silicon. Read more at: http://www.gizmag.com/low-grade-silicon-solar-cell-efficiency/27426/

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