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Nanotechnology General News

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

Demystifying nanocrystal solar cells

Researchers have developed a comprehensive model to explain how electrons flow inside new types of solar cells made of tiny crystals. The model allows for a better understanding of such cells and may help to increase their efficiency.

Posted: Jan 28th, 2015

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Joint international research project leads to a breakthrough in terahertz spectroscopy

Although terahertz spectroscopy has great potential, especially for environmental monitoring and security screening applications, it previously could not be used effectively to study nanocrystals or molecules at extremely low concentrations. An international team has found a solution to this problem by increasing the technique's sensitivity using metallic nanostructures.

Posted: Jan 28th, 2015

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Researchers use sound to slow down, speed up, and block light

Researchers have experimentally demonstrated, for the first time, the phenomenon of Brillouin Scattering Induced Transparency (BSIT), which can be used to slow down, speed up, and block light in an optical waveguide. The BSIT phenomenon permits light to travel in the forward direction while light traveling in the backward direction is strongly absorbed.

Posted: Jan 28th, 2015

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Building a graphene-based future for Europe

The European Union is investing heavily in the exploitation of graphene's unique properties through a number of research initiatives such as the SEMANTICS project running at Trinity College Dublin.

Posted: Jan 28th, 2015

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Nanoscale lubrication of ionic surfaces

Friction impacts motion, hence the need to control friction forces. Currently, this is accomplished by mechanistic means or lubrication, but experiments conducted by researchers at Oak Ridge National Laboratory have uncovered a way of controlling friction on ionic surfaces at the nanoscale using electrical stimulation and ambient water vapor.

Posted: Jan 27th, 2015

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'Rapid response to Ebola' grant

Health care workers must diagnose and isolate Ebola victims at an early stage to have a chance to save them and prevent the virus from spreading. But the most sensitive and quickest diagnostic test produces a small percentage of false negative results that undermine efforts to control the deadly agent. A $100,000 National Science Foundation (NSF) grant has been awarded to develop a method to reduce the risk of the virus going undetected.

Posted: Jan 27th, 2015

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New pathway to valleytronics

A potential avenue to quantum computing currently generating quite the buzz in the high-tech industry is 'valleytronics', in which information is coded based on the wavelike motion of electrons moving through certain two-dimensional (2D) semiconductors. Now, a promising new pathway to valleytronic technology has been uncovered.

Posted: Jan 27th, 2015

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Carbon nanoballs can greatly contribute to sustainable energy supply

Researchers have discovered that the insulation plastic used in high-voltage cables can withstand a 26 per cent higher voltage if nanometer-sized carbon balls are added. This could result in enormous efficiency gains in the power grids of the future, which are needed to achieve a sustainable energy system.

Posted: Jan 27th, 2015

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