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Nanomaterial risk assessment frameworks and tools evaluated

A recent study has evaluated frameworks and tools used in Europe to assess the potential health and environmental risks of manufactured nanomaterials. The study identifies a trend towards tools that provide protocols for conducting experiments, which enable more flexible and efficient hazard testing.

Posted: Mar 15th, 2017

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How to increase efficiencies of ultrathin CIGSe solar cells

Researchers have shown how to prevent the absorption loss of ultrathin CIGSe cells. They designed nanostructured back contacts for light trapping and could achieve a new record value of the the short circuit current density reaching nearly the best values for thicker CIGSe-cells.

Posted: Mar 14th, 2017

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Switching oxygen on and off

It has become possible to control one of the most important chemical processes: switching oxygen molecules between a reactive and unreactive state.

Posted: Mar 14th, 2017

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Imaging at the speed of light (w/video)

Researchers have developed a technique to visualize, for the first time, the complete evolution of micro- and nanoscale structural formation on a material's surface, both during and after the application of a laser pulse.

Posted: Mar 14th, 2017

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Stretching a metal into an insulator

Straining a thin film controllably allows tuning of the materials' magnetic, electronic, and catalytic properties, essential for new energy and electronic devices.

Posted: Mar 13th, 2017

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