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Nanotechnology may lead to more energy-efficient electronics

Carbon nanotubes and graphene consist of just a couple of layers of carbon atoms, but they are lighter than aluminium, stronger than steel and can bend like spring-coils. Physicist Niklas Lindahl at the University of Gothenburg, Sweden, has been studying the unique properties of the materials, which in future may result in improved electronics and light, strong material.

Posted: Feb 14th, 2012

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A PageRank for atoms? Chemist applies Google software to the molecular world

The technology that Google uses to analyze trillions of Web pages is being brought to bear on the way molecules are shaped and organized. A researcher has adapted Google's PageRank software to create moleculaRnetworks, which scientists can use to determine molecular shapes and chemical reactions without the expense, logistics and occasional danger of lab experiments.

Posted: Feb 13th, 2012

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Engineers create tandem polymer solar cells that set record for energy-conversion

Researchers at the UCLA Henry Samueli School of Engineering and Applied Science and UCLA's California Nanosystems Institute report that they have significantly enhanced polymer solar cells' performance by building a device with a new "tandem" structure that combines multiple cells with different absorption bands. The device had a certified power-conversion efficiency of 8.62 percent and set a world record in July 2011.

Posted: Feb 13th, 2012

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Microscopic analysis explores nanowires' weakest link

Individual atoms can make or break electronic properties in one of the world's smallest known conductors - quantum nanowires. Microscopic analysis is delivering a rare glimpse into how the atomic structure of the conducting nanowires affects their electronic behavior.

Posted: Feb 13th, 2012

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