Sunlight converted to electricity with over 40 percent efficiency outdoors using commercial solar cells in a new way http://nextbigfuture.com/2014/12/sunlight-converted-to-electricity-with.html
Sunlight converted to electricity with over 40 percent efficiency outdoors using commercial solar cells in a new way http://nextbigfuture.com/2014/12/sunlight-converted-to-electricity-with.html