26 Aug '12, 5am

Lower Cost, Lower Toxicity Solar Cells Cooked Up in Microwave Oven

Lower Cost, Lower Toxicity Solar Cells Cooked Up in Microwave Oven

Photo courtesy of Oregon State University /Promo image Copper, zinc, and tin. These three relatively available metals react into copper zinc tin sulfide nanoparticles, recognized as a promising material that can be applied like ink to produce solar cells . Researchers at Oregon State University have given hopes for this compound a boost, by demonstrating a cheap "one-pot" technique that uses microwaves instead of conventional heat sources to reduce manufacturing time and improve process control. Greg Herman, of the School of Chemical, Biological and Environmental Engineering at OSU notes: All of the elements used in this new compound are benign and inexpensive, and should have good solar cell performance. This approach should save money, work well and be easier to scale up at commercial levels, compared to traditional synthetic methods. Microwave technology offers more pre...

Full article: http://www.treehugger.com/climate-change/lower-cost-lower...

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