''that ultimately will help improve solar energy generation. It's important to remember, though, that these technologies first have to become manufacturable at cost and scale, and perform in the field at least on par with what's already out there.''
http://www.renewableenergyworld.com/rea/news/article/2013/01/solar-cell-efficiency-round-up-thin-film-is-closing-the-gap-with-silicon
e