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Nanotechnology Spotlights

Nanotechnology for next-generation inkjet color printing

inkjet_printingBy replacing dye inks with optical nanostructures, researchers have demonstrated the use of inkjet technology to create colored interference layers with high accuracy without the need for high-temperature fixing. The key to this technology is the ability to control the inkjet printing process to form nanostructures with high accuracy. Whereas conventional inkjet printing occurs in the microrange, this new work demonstrates...

Posted: Feb 11, 2016

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Real-time and label-free detection of single viruses in complex solutions

virus_detectionMany virus detection platforms, including conventional fluorescent label-based ones, have limitations because they are time-intensive and not easily compatible with point-of-care use without the existence of significant infrastructure and expert staff. Researchers have now developed a technique capable of specifically visualizing label-free single viruses in complex solutions in real-time. This approach eliminates virtually...

Posted: Feb 05, 2016

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A roadmap for bulk nanomaterials based on 2D building blocks

The scaling up of nanomaterials in the broader context of materials science and engineering is the topic of a Perspective article, where the authors construct a roadmap for assembling nanoscale building blocks into bulk nanostructured materials, and define some of the critical challenges and goals. Two-dimenisonal sheets are uniquely well-suited in this roadmap for constructing dense, bulk-sized samples with scalable material...

Posted: Feb 04, 2016

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'Multiplex number' as a new figure-of-merit for non-volatile resistive memory devices

barsResistive random access memory (RRAM) is envisioned as a next generation non-volatile memory because of the simple device geometry, ease of fabrication and operation. The necessity of high-density information storage and its relevance in neuromorphic circuitry has gained much attention and led to the development of multilevel resistive switching (MRS) for multiple memory states. In a recent study, researchers have defined...

Posted: Feb 01, 2016

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CaO particles as promising templates for hierarchical porous graphene growth

porous_grapheneHierarchical porous carbon/graphene (HPC/HPG) materials have been intensively investigated over the past decades. These materials are demonstrated as promising electrode materials for various systems, such as lithium-ion batteries, lithium-sulfur batteries, supercapacitors, and fuel cells, with a remarkable capacity, high efficiency, long stability, and excellent rate capability. Researchers have now proposed the employment...

Posted: Jan 26, 2016

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What if ... we had radar that recognized us from the way we walk?

radar_sensorThe future Internet of Things (IoT), with its intuitive applications, will operate based on an broad stream of data supplied by sensors placed everywhere. These will be sensors that are many times smarter and more sensitive than the ones we have today. They will also be produced and installed in far greater numbers and be much cheaper than they are now. For example, researchers envisage a radar that is capable of distinguishing...

Posted: Jan 18, 2016

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Green nano: Positive environmental effects through the use of nanotechnology

green_nanoThis dossier is concerned with the question to what extent a concept along the lines of the 'green nano design principles' developed by the German NanoCommission can contribute to environmentally friendly developments in the area of nanotechnology. For this purpose, it introduces research projects which have implemented certain aspects of the green nano design principles. Moreover, on the basis of technological and scientific...

Posted: Jan 15, 2016

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Sulfiphilic electrocatalysts dredge the polysulfide 'flooding' in Li-S batteries

moleculeCapacity decay caused by polysulfides' detachment from the cathode framework has been a major issue preventing the broad application of lithium-sulfur (Li-S) batteries. Researchers discovered that it is the incompatibility between polar lithium polysulfide molecules and commonly used nanocarbon cathode scaffolds that restraines the redox reactivity. By incorporating sulfiphilic cobalt disulfide into carbon/sulfur cathodes,...

Posted: Jan 13, 2016

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