The silicon-wire arrays absorb up to 96 percent of incident sunlight at a single wavelength and 85 percent of total collectible sunlight
from Caltech researchers create highly absorbing, flexible solar cells with silicon wire arrays
Update: IBM Uses Cheap Materials For Solar Cells
The thin film makers are managing to find ways to cut their costs without switching to cheaper elements. Some CIGS PV makers expect to get their costs down to 50 cents per watt in 2010 versus current low cost leader First Solar's 85 cents a watt in 2009.
- from Futurepundit and Eurekalert
