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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

Graphene quantum dots dramatically improve the efficiency of organic solar cells

Graphene sheets have been shown to act as good acceptors when blended with conjugated polymers, but after blending, the photovoltaic characteristics of the polymers are considerably degraded. Scientists have now shown that the situation can be dramatically improved by blending polymers with graphene quantum dots instead of sheets.

Posted: Aug 15th, 2011

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Movies of electrons

Lasers that emit pulses lasting a quintillionth of a second could characterize the behavior of individual electrons during chemical reactions.

Posted: Aug 15th, 2011

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Diamonds aren't forever

Associate Professor Richard Mildren and his colleagues from the Macquarie University Photonics Research Centre discovered that diamonds evaporate under exposure to light.

Posted: Aug 14th, 2011

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A hot bath for gold nanoparticles

An international team of researchers has developed a procedure that enhances the surface exposure of gold nanoparticles and their catalytic activity over a range of reactions.

Posted: Aug 12th, 2011

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Researchers find that disorder is key to nanotube mystery

So far, no one has managed to explain why, at the molecular level, a stable liquid would want to confine itself to such a small area. Now, using a novel method to calculate the dynamics of water molecules, Caltech researchers believe they have solved the mystery. It turns out that entropy, a measurement of disorder, has been the missing key.

Posted: Aug 12th, 2011

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Super-Mikroskop misst Schwingungen von Elektronen

Ein neuartiges High-Tech-Mikroskop haben Forscher aus Bielefeld, Kaiserslautern und Wuerzburg entwickelt: Es stellt Objekte millionenfach vergroessert und Bewegungen um eine Million Milliarden Mal verlangsamt dar.

Posted: Aug 12th, 2011

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Stick-on tattoos go electric

Micro-electronics, elegant design and existing tattoo tech combine to create a complex device that is far more than a novelty.

Posted: Aug 11th, 2011

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Where electrons get stuck in traffic

The thinnest wire in the world, made from pure gold, is being examined by physicists from the universities of Wuerzburg and Kassel. Its exceptional electrical conductivity is causing quite a stir: the electrons do not move freely through the wire, but like cars in stop-and-go traffic.

Posted: Aug 11th, 2011

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