Coffee stains inspire optimal printing technique for electronics

Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena of fluid mechanics—the coffee ring effect. This effect has hindered the industrial deployment of functional inks ...

Energy & Green Tech

Experiments show dramatic increase in solar cell output

In any conventional silicon-based solar cell, there is an absolute limit on overall efficiency, based partly on the fact that each photon of light can only knock loose a single electron, even if that photon carried twice ...

Energy & Green Tech

Efficiency of silicon solar cells climbs past 26 percent

(Tech Xplore)—A team of researchers working at Kaneka Corporation has broken the record for silicon-based solar cell efficiency by producing a cell that was tested to be 26.3-percent efficient—an increase of 0.7 percent ...

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