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November 13th, 2007
Nanotech solar cells are only a few years old. At the University of Toronto in 2005, electrical and computer engineering professor Ted Sargent announced that he had developed a new plastic nanotech material containing solar cells. The Berkeley research takes the technology a step farther.
Through his nanotech experiments, Wadia hopes to identify a material that is "extremely cheap, non-toxic, and abundant" in nature and suitable for manufacturing photovoltaic cells. Such a material "may not exist," he admits, "but we have to try."
"Nanomaterials, because we do them in solution, we could use that solution as a dye," Wadia says. "You could be looking at a wall that's yellow, but that yellow is solar paints."
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