19 May '11, 10pm

By 2015, we could see a new generation of photovoltaic technologies:

By 2015, we could see a new generation of photovoltaic technologies:

Image: Solar3D Cross-posted from Climate Progress . Solar photovoltaics (PV) is one of the hottest high-tech areas around. For instance, 3-D technology is all the rage these days. Now, one company thinks it can bring the concept to solar too. Santa Barbara-based Solar3D is working on a silicon "microcell" at the nano scale that uses an optical element to direct sunlight into a walled-in structure, thus capturing more photons and increasing the amount of electrons that are discharged. If a traditional solar cell is the ceiling of a room, the 3-D solar cell would be the room itself with the optical element acting as a skylight. Jim Nelson, the CEO of Solar3D, says the cell could theoretically be 25 percent efficient. (A traditional silicon-based cell is usually in the 12-15 percent efficiency range, meaning that 12-15 percent of the sunlight hitting the cell will be turned i...

Full article: http://www.grist.org/solar-power/2011-05-19-we-could-see-...

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By 2015, we could see a new generation of photovoltaic technologies, including 3D solar cells

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