Copper nanowires could mean cheaper touch screens, solar cells and foldable electronics

In June of last year we reported on the success by researchers at Duke University in developing a technique capable of producing copper nanowires at a scale that could make them a potential replacement for rare and expensive indium tin oxide (ITO) in touch screens and solar panels. However, the water-based production process resulted in the copper nanowires clumping, which reduced their transparency and prevented the copper from oxidizing, which decreases their conductivity. The researchers have now solved the clumping problem and say that copper nanowires could be appearing in cheaper touch screens, solar cells and flexible electronics in the next few years.

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