Photons with energy higher than the 'band gap' of the semiconductor absorbing them give rise to what are known as hot electrons. Scientists have now found a material in which these hot electrons retain their high energy levels for much longer.
Jan 16th, 2018
Read moreTwo recent experiments to assess, for the first time, the viability of graphene for space applications. The experiments tested the material under zero-gravity conditions specifically for light propulsion and also for thermal management applications, with very encouraging results.
Jan 16th, 2018
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A simple, versatile and low-cost technique for etching nanoholes in silicon could underpin new filtration and nanophotonic devices.
Jan 16th, 2018
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Arrays of tiny, rigid, and sharp pillars mimic natural antimicrobial surfaces by binding and breaking bacterial cells open.
Jan 16th, 2018
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A high-throughput scan of possible compositions for a new class of materials known as MXenes gives researchers invaluable direction for picking the best candidate from the millions of possible material recipes.
Jan 16th, 2018
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Much as a frame provides structural support for a house and the chassis provides strength and shape for a car, a team of engineers believe they have a way to create the structural framework for growing living tissue using an off-the-shelf 3-D printer.
Jan 15th, 2018
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Using only earth-abundant materials, researchers have developed the most efficient direct conversion method of energy from sunlight into hydrogen to date.
Jan 15th, 2018
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Using a set of gyroscopes linked together, physicists explored the behavior of a material whose structure is arranged randomly, instead of an orderly lattice.
Jan 15th, 2018
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A new $26 million center led by the University of Notre Dame will focus on conducting research that aims to increase the performance, efficiency and capabilities of future computing systems for both commercial and defense applications.
Jan 15th, 2018
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Researchers have shown that graphene and boron nitride can be combined to create a perfect nano petri-dish. Liquid samples inside the dish can be imaged with single atom sensitivity and it is also possible to measure their elemental composition at the nanometre length scale.
Jan 15th, 2018
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A simple, versatile, scalable synthesis route to nanoporous metals via solid-state conversion reactions.
Jan 15th, 2018
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A new study shows that it is possible to create hybrid protein nanofibers composed of two plasma proteins using a facile self-assembly approach supported by ethanol-induced protein denaturation.
Jan 15th, 2018
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The new approach uses lateral flow technology, similar to that of a pregnancy test, coupled with smartphones to provide a promising alternative to lab-based testing.
Jan 15th, 2018
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For the first time, scientists have precisely measured the effective electrical charge of a single molecule in solution. This fundamental insight could also pave the way for future medical diagnostics.
Jan 15th, 2018
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The structure, composed of a fluoropolymer layer followed by a nanolaminate made from two metal oxide materials, serves as gate dielectric and simultaneously protects the organic semiconductor and enables the transistors to operate with unprecedented stability.
Jan 13th, 2018
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Researchers have identified the mechanism that allows organic solar cells to create a charge, solving a longstanding puzzle in physics.
Jan 13th, 2018
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