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Nanotechnology Spotlights

New process allows fully additive roll-to-roll printing of flexible electrochromic devices

electrochromic_deviceElectrochromic devices are some of the most attractive candidates for paper-like displays, so called electronic paper, which will be the next generation display. Researchers have now demonstrated solid state flexible polymer based electrochromic devices are fabricated continuously by stacking layers in one direction. This novel bottom-up approach with no need for a lamination step enables fully printed and 2D patterned organic...

Posted: Sep 17, 2014

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Using microwaves to optimize platinum-nickel nanoalloys for catalytic water treatment

nanoalloyThe adoption of a newly developed, facile synthesis method in catalyst designs may permit the rapid screening of nanoalloys for water contaminants. Given the compositional dynamics of this technique, a series of nanoalloys with different surface compositions can be quickly synthesized using a single starting solution and the optimal metal ratio experimentally determined to find the best catalytic reactivity for degrading the...

Posted: Sep 15, 2014

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Aligned carbon nanotube/graphene sandwiches for high-rate lithium-sulfur batteries

cnt-graphene-sandwichResearchers consider the rational combination of carbon nanotubes (CNTs) and graphene into three-dimensional hybrids an effective route to amplify the inherent physical properties at the macroscale. By in situ nitrogen doping and structural hybridization of carbon nanotubes and graphene, researchers have now successfully fabricated nitrogen-doped aligned carbon nanotube/graphene sandwiches. In this work, aligned CNTs and...

Posted: Sep 12, 2014

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Flexible high-performance FinFETs with a bending radius of 0.5 mm

nanotransistorThe flexibility required when fabricating flexible electronic components has led to the use of plastic substrates and different transfer techniques to fabricate flexible devices. However, one of the biggest obstacles to mass adoption of flexible electronics has been the incompatibility with industry's state-of-the-art silicon-based CMOS processes. Researchers have now developed a new process that can be used to reduce the...

Posted: Sep 09, 2014

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Multimodal graphene biosensor integrates optical, electrical, and mechanical signals

graphene_sensorAs a prime example of how the integration of multiple disparate nanotechnology fields allows the realization of novel or expanded functionalities, researchers have demonstrated a multimodal sensing device which integrates the functionalities of three traditional single mode sensors. Specifically, the team fabricated a graphene-based multimodal biosensing device, capable of transducing protein binding events into optical, electrical,...

Posted: Sep 08, 2014

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Titania nanotubes' role in building ultrafast rechargeable Li-ion batteries

titania_nanotubesNanotechnology has the potential to deliver the next generation lithium-ion batteries (LIBs) with improved performance, durability and safety at an acceptable cost. However, several challenging bottlenecks remain to build the ideal nanostructured electrodes for ultrafast rechargeable LIBs. To overcome these challenges, researchers developed a mechanical force-driven method to prepare elongated bending titania-based nanotubes...

Posted: Sep 04, 2014

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The future Belgian register for nanomaterials: challenges ahead for the nanotechnology community

legalOn 7th February 2014, the Belgian federal government issued a press release declaring that the draft Royal Decree creating a Belgian register for nanomaterials has been approved. The Royal Decree would enter into force on 1st January 2016 for substances manufactured at the nanoscale and on 1st January 2017 for preparations containing a substance or substances manufactured at the nanoscale. We provide here an overview of this...

Posted: Sep 03, 2014

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An all-carbon optical diode for photonic computing

doped_grapheneResearchers have demonstrated the experimental realization of the first all-carbon optical diode that is ready for scalable integration along with being inherently broadband in operation with no restrictions on polarization or phase-matching criteria. As they show, harnessing the optical properties of graphene-based materials offers an opportunity to create the all-photonic analogs of diodes, transistors, and photonic logic...

Posted: Sep 01, 2014

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