08.25.09
Solar cells to be printed like newspaper…
Lower-cost Solar Cells To Be Printed Like Newspaper, Painted On Rooftops
ScienceDaily (Aug. 25, 2009) — Solar cells could soon be produced more cheaply using nanoparticle “inks” that allow them to be printed like newspaper or painted onto the sides of buildings or rooftops to absorb electricity-producing sunlight.