Post by timhttp://www.sciencedaily.com/releases/2013/02/130227085942.htm
Like nearly every announced breakthrough, it sounds really good,
but there is a long way to market. If they could somehow combine
all of them into one panel, it would have an efficiency around 150%.
Best technology, afaik, currently, is concentrated solar, over 40%.
But that's for the big outfits to build, nothing there for the homeowners.