30 Apr '12, 8am

Liquid Solar Cells that Can be Painted onto Surfaces

Liquid Solar Cells that Can be Painted onto Surfaces

New research out of the University of Southern California (USC) advances the development of “cheap, stable solar cells made from nanocrystals so small they can exist as a liquid ink and be painted or printed onto clear surfaces.” This is exciting stuff, in my opinion. Here’s more from USC : A USC scientist treats a glass slide with nanocrystals. Photo by Dietmar Quistorf. The solar nanocrystals are about four nanometers in size – meaning one could fit more than 250 billion on the head of a pin – and float them in a liquid solution, so “like you print a newspaper, you can print solar cells,” said Richard L. Brutchey, assistant professor of chemistry in USC Dornsife. Brutchey and USC postdoctoral researcher David H. Webber developed a new surface coating for the nanocrystals, which are made of the semiconductor cadmium selenide. Their research is featured as a “hot article” ...

Full article: http://cleantechnica.com/2012/04/30/liquid-solar-cells-th...

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