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Researchers build a transistor from a molecule and a few atoms

An international team of physicists has used a scanning tunneling microscope to create a minute transistor consisting of a single molecule and a small number of atoms. The observed transistor action is markedly different from the conventionally expected behavior and could be important for future device technologies as well as for fundamental studies of electron transport in molecular nanostructures.

Posted: Jul 14th, 2015

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Nanoscale light-emitting device has big profile

Engineers have created a nanoscale device that can emit light as powerfully as an object 10,000 times its size. It's an advance that could have huge implications for everything from photography to solar power.

Posted: Jul 13th, 2015

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The quantum physics of artificial light harvesting

Plants and bacteria make use of sunlight with remarkably high efficiency: nine out of ten absorbed light particles are being put to use in an ordinary bacterium. For years, it has been a pressing question of modern research whether or not effects from quantum physics are responsible for this outstanding performance of natural light harvesters. A team of European research groups have examined these quantum effects in an artificial model system.

Posted: Jul 13th, 2015

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Options for the review of the European Commission nanomaterial definition published

The Joint Research Center has published science-based options to improve the clarity and the practical application of the EC recommendation on the definition of a nanomaterial. This is the last JRC report in a series of three, providing the scientific support to the Commission in its review of the definition used to identify materials for which special provisions might apply.

Posted: Jul 13th, 2015

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Environmentally friendly lignin nanoparticle 'greens' silver nanobullet to battle bacteria

Researchers have developed an effective and environmentally benign method to combat bacteria by engineering nanoscale particles that add the antimicrobial potency of silver to a core of lignin, a ubiquitous substance found in all plant cells. The findings introduce ideas for better, greener and safer nanotechnology and could lead to enhanced efficiency of antimicrobial products used in agriculture and personal care.

Posted: Jul 13th, 2015

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Heat buckyballs to help environment

Scientists are forging toward tunable carbon-capture materials with a new study that shows how chemical changes affect the abilities of enhanced buckyballs to confine greenhouse gases.

Posted: Jul 13th, 2015

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Nanocrystalline thin-film solar cells

Researchers seek to advance the development of perovskite solar cells. By means of special thin-film processes, for example, material consumption and costs can be reduced.

Posted: Jul 13th, 2015

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