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Nanotechnology Spotlights

Nanotechnology and 3D-printing

nano-racecar3D-printing processes are engineered to use material more efficiently, give designs more flexibility and produce objects more precisely. These 3D printing techniques are reaching a stage where desired products and structures can be made independent of the complexity of their shapes. Applying 3D printing concepts to nanotechnology could bring similar advantages to nanofabrication - speed, less waste, economic viability - than...

Posted: Sep 26, 2014

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Healing electronics with light

microscale_crackAs we are moving into an era of flexible and wearable electronic devices, one challenge that arises is an increased vulnerability to mechanical failure. Relatively small damages such as tiny cracks along the electrical conductive pathway caused by the bending, twisting and folding of such devices could easily cause the entire gadget to fail. Researchers have now demonstrated light-powered healing of an electrical conductor....

Posted: Sep 24, 2014

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Curcumin nanoparticles as innovative antimicrobial and wound healing agents

curcuminResearchers have explored the use of curcumin nanoparticles for the treatment of infected burn wounds, an application that resulted in reduced bacterial load and enhancing wound healing. Adding to the excitement regarding curcumin in multiple fields of medicine, most prominently in oncology, these new findings demonstrat that curcumin nanoparticles were more effective at both accelerating thermal burn wound closure and clearing...

Posted: Sep 22, 2014

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Graphene accelerates the electro-optic response in ferroelectric liquid crystal displays

liquid_crystals_on_grapheneFerroelectric liquid crystal (FLC) display technology holds the promise of fast switching times, a large viewing angle, and high resolution. FLCs have a spontaneous polarization whose direction is perpendicular to the layer. This spontaneous polarization plays an imperative role in the electro-optic switching of FLCs. Researchers have now developed a technique to amplify the spontaneous polarization by doping graphene into...

Posted: Sep 18, 2014

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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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