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Toray develops transparent conductive sheets based on dual layer carbon nanotube technology

The new carbon nanotube based conductive sheet offers improved performance to existing ITO (indium tin oxide) films

6 Feb 2012 | editor

According to a report on the Japanese website Tech-On! Toray Industries Inc has developed technology to mass-produce transparent conductive sheet using two-layer carbon nanotubes (CNTs) for electronic paper (e-paper) devices. The company has already begun shipping samples to lead customers, and is expected to initial volume production sometime during 2012.

Toray datasheet

Transparent conductive sheets for e-paper devices are required to be highly flexible and have a surface resistance of about 500 ohms (when the light transmittance is 90%). Toray states that the new conductive sheet offers improved performance to existing ITO (indium tin oxide) films with the exception being sheet resistance where the CNT is marginally better. Toray believes it can capture a considerable share of the market for transparent conductive sheets for use in e-paper devices.

Pricing and production costs are not finalised yet, but according to a Toray spokesperson, it is anticipated that their costs will be lower than equivalent ITO films once volume production is achieved.

Toray datasheet

www.toray.co.jp techon.nikkeibp.co.jp


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