Trapping sunlight with silicon nanowires


A new development in solar cells made from silicon are  going to revolutionize how we get renewable green energy.  Scientists have developed silicon photovoltaics that can convert sunlight into electricity at  20 percent efficiency.  One problem with this new technology is that it is very expensive, so mass producing it now is out of the question.  Researchers with the Lawrence Berkeley National Laboratory  are working on a soulution that  could substantially reduce these costs.  With better ways to draw energy from the sun we are one step closer to getting rid of our reliance on fossil fuels.  But just as all things healthy for the environment or us, such as organic food, they are more expensive than the alternitives.

the rest of the article can be seen here

http://tiny.cc/SYC77

Esteban P.

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