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To make a "black silicon" that can absorb more light, Harvard spin-off SiOnyx introduces a laser texturing treatment to turn up solar cell efficiency.
SiOnyx raises $12.5 million to commercialize semiconductor technology which treats silicon so it can capture more light for solar and imaging applications.
The chemicals giant buys Innovalight's "silicon ink" technology, which is added to solar manufacturing lines to up the conversion efficiency of solar cells.
Plus: SiOnyx unveils enhanced silicon, Bloom Energy steps ahead with fuel cell, tough days for public clean-energy companies, and the nuclear fallout from falling stock market.