Nanowire discovery may lead to better, cheaper solar cells
 

Scientists have figured out a standardized way to make nanowires out of perovskite, a material that could one day make solar energy cheap and ubiquitous. Just a few years ago, cells made from the relatively inexpensive substances had a solar efficien...

http://www.engadget.com/2016/01/26/n...y-solar-cells/