News tagged with metallic nanostructures
Hybrid 'Janus' nanoparticles made from gold and titania have high catalytic activity and extraordinary durability
As recently as twenty-five years ago, chemists considered gold to be one of the most inert metallic elements, until the discovery that nanoscale-sized dispersions of gold had high catalytic activity forced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Nanotechnology / Nanomaterials
Apr 03, 2012 |
4.9 / 5 (8) |
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Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer
Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
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New technique makes it easier to etch semiconductors
Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.
Dec 22, 2011 |
3.6 / 5 (5) |
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Monitoring the transformation of silver nanowires into gold nanotubes with in situ transmission X-ray microscopy
(PhysOrg.com) -- A technique for real-time monitoring of the galvanic replacement reaction between silver nanowires and aqueous gold salt solutions using in situ flow-cell transmission X-ray microscopy (TXM) ...
Dec 21, 2011 |
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Cobblestones fool innate immunity
Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...
Nanotechnology / Bio & Medicine
Nov 29, 2011 |
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Researchers show that gold doping increases nickel catalyst activity for carbon nanostructure formation
(PhysOrg.com) -- Researchers from the CNST and Arizona State University have demonstrated that the overall catalytic activity of nickel particles for the formation of carbon nanostructures is improved by the addition of a ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
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Edible carbon dioxide sponge
(PhysOrg.com) -- A year ago Northwestern University chemists published their recipe for a new class of nanostructures made of sugar, salt and alcohol. Now, the same team has discovered the edible compounds ...
Sep 23, 2011 |
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Researchers pioneer novel technique to make plasmonic nanogap arrays
In the quest to exploit unique properties at the nanoscale, scientists at Stevens Institute of Technology have developed a novel technique for creating uniform arrays of metallic nanostructures. A team of faculty and students ...
Sep 06, 2011 |
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Graphene's shining light could lead to super-fast Internet
Internet connection speeds could be tens of times faster than they currently are, thanks to research by University of Manchester scientists using wonder material graphene.
Nanotechnology / Nanomaterials
Aug 30, 2011 |
4.8 / 5 (19) |
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Research team discovers new conducting properties of bacteria-produced wires
The discovery of a fundamental, previously unknown property of microbial nanowires in the bacterium Geobacter sulfurreducens that allows electron transport across long distances could revolutionize nanotechnology ...
Aug 07, 2011 |
4.6 / 5 (9) |
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A new discovery paves the way for using super strong nanostructured metals in cars
Today, the body of an ordinary family car consists of 193 different types of steel. The steel for each part of the car has been carefully selected and optimised. It is important, for example, that all parts are as light as ...
Nanotechnology / Nanomaterials
Jul 21, 2011 |
4 / 5 (4) |
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Imaging tool may aid nanoelectronics by screening tiny tubes
Researchers have demonstrated a new imaging tool for rapidly screening structures called single-wall carbon nanotubes, possibly hastening their use in creating a new class of computers and electronics that ...
Nov 16, 2010 |
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Scientist receives grant to develop hydrogen-powered, solar-inspired nano-battery
There's a big buzz today over future nanostructure devices performing specialized jobs in everything from electronics to medicine. But what's still needed are unconventional ways to power these tiny machines.
Technology / Energy & Green Tech
Sep 23, 2010 |
5 / 5 (1) |
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Tiny rulers to measure nanoscale structures
With the advent of nanometer-sized machines, there is considerable demand for stable, precise tools to measure absolute distances and distance changes. One way to do this is with a plasmon ruler. In physics ...
Aug 31, 2010 |
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