Nanotech and solar

Via KurzweilAI.net — Two of my blogging interests together in one post. Looks like nanotechnology may lead to a cost breakthrough with solar cells.

Nanopillar Solar Cells

Technology Review, July 6, 2009 An array of upright nanoscale pillars grown on aluminum foil could lead to solar cells that cost less than conventional silicon photovoltaics, say researchers at the University of California, Berkeley. (Ali Javey, UC Berkeley)