27 Dec '11, 5pm

Black Silicon Solar Tech Comes Of Age

Black Silicon Solar Tech Comes Of Age

Black silicon has been bubbling in the background of solar research and development the past couple of years, hinting at a way to drive down the cost of solar power, but has yet to bust out. (As a matter of fact, this is the first time the phrase has appeared on EarthTechling.) But change could be afoot. The National Renewable Energy Laboratory (NREL) has licensed its patented black silicon technology to New Jersey-based Natcore for the development of a line of products. Before we go on, we should probably explain what black silicon is. For that, we borrow some well-chosen words from Natcore : “Black silicon refers to the apparent color of the surface of a silicon wafer after it has been etched with nano-scale pores; the black color results from the absence of reflected light from the porous wafer surface.” The are several benefits that flow from this manipulation of the w...

Full article: http://www.treehugger.com/clean-technology/black-silicon-...

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