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Latest Nanowire Stories

2011-11-22 12:19:28

As the market for liquid crystal displays and other electronics continues to drive up the price of indium – the material used to make the indium tin oxide (ITO) transparent electrodes in these devices – scientists have been searching for a less costly and more dynamic alternative, particularly for use in future flexible electronics.   Besides its high price, ITO has several drawbacks. It's brittle, making it impractical for use in flexible displays and solar cells, and...

Researching Graphene Nanoelectronics For A Post-silicon World
2011-11-10 13:47:09

Rensselaer Polytechnic Institute researchers use supercomputer to study effects of stacking graphene nanoribbons Copper's days are numbered, and a new study at Rensselaer Polytechnic Institute could hasten the downfall of the ubiquitous metal in smart phones, tablet computers, and nearly all electronics. This is good news for technophiles who are seeking smaller, faster devices. As new generations of computer chips continue to shrink in size, so do the copper pathways that transport...

2011-11-09 10:27:17

Tiny wires could help engineers realize high-performance solar cells and other electronics, according to University of Illinois researchers. The research group, led by electrical and computer engineering professor Xiuling Li, developed a technique to integrate compound semiconductor nanowires on silicon wafers, overcoming key challenges in device production. The team published its results in the journal Nano Letters. Semiconductors in the III-V (pronounced three-five) group are...

2011-09-27 17:53:23

Researchers are developing a new type of computer memory that could be faster than the existing commercial memory and use far less power than flash memory devices. The technology combines silicon nanowires with a "ferroelectric" polymer, a material that switches polarity when electric fields are applied, making possible a new type of ferroelectric transistor. "It's in a very nascent stage," said doctoral student Saptarshi Das, who is working with Joerg Appenzeller, a professor of...

Image 1 - Gold Nanowires Offer Breakthrough In Cardiac Patches
2011-09-27 05:21:25

Researchers at Massachusetts Institute of Technology (MIT) and Children´s Hospital Boston have developed cardiac patches using gold nanowires, which could create parts of tissue whose cells beat in time, mimicking the way the natural heart muscle works, MIT reported on Monday. The breakthrough, which was published this week in the journal Nature Nanotechnology, could someday help those who have suffered a heart attack.   The research improves on existing cardiac patches, which...

Copper Film Could Lower Touch Screen, LED And Solar Cell Costs
2011-09-27 04:03:32

Copper nanowires may be coming to a little screen near you. These new nanostructures have the potential to drive down the costs of displaying information on cell phones, e-readers and iPads, and they could also help engineers build foldable electronics and improved solar cells, according to new research. Duke chemist Ben Wiley and his graduate student have developed a technique to organize copper atoms in water to form long, thin, non-clumped nanowires. The nanowires are then...

2011-09-25 12:00:00

Gold nanowires in engineered patches enhance electrical signaling and contraction BOSTON, Sept. 25, 2011 /PRNewswire-USNewswire/ -- A team of physicians, engineers and materials scientists at Children's Hospital Boston and the Massachusetts Institute of Technology have used nanotechnology and tiny gold wires to engineer cardiac patches, with cells all beating in time, that could someday help heart attack patients. As reported online by Nature Nanotechnology on September 25, the addition...

Why Carbon Nanotubes Spell Trouble For Cells
2011-09-19 04:10:52

  [ View the Video ] It's been long known that asbestos spells trouble for human cells. Scientists have seen cells stabbed with spiky, long asbestos fibers, and the image is gory: Part of the fiber is protruding from the cell, like a quivering arrow that's found its mark. But scientists had been unable to understand why cells would be interested in asbestos fibers and other materials at the nanoscale that are too long to be fully ingested. Now a group of researchers at Brown...

Image 1 - Down To The Wire
2011-09-01 09:40:25

  Berkeley Lab researchers develop inexpensive technique for making high quality nanowire solar cells Solar or photovoltaic cells represent one of the best possible technologies for providing an absolutely clean and virtually inexhaustible source of energy to power our civilization. However, for this dream to be realized, solar cells need to be made from inexpensive elements using low-cost, less energy-intensive processing chemistry, and they need to efficiently and...

2011-08-29 20:36:07

Rice University researchers surprised to see twin-induced brittle-like fractures in gold nanowires Thin gold wires often used in high-end electronic applications are wonderfully flexible as well as conductive. But those qualities don't necessarily apply to the same wires at the nanoscale. A new study from Rice University finds gold wires less than 20 nanometers wide can become "brittle-like" under stress. It appears in the journal Advanced Functional Materials. The paper by Rice...