Carbyne morphs when stretched: Calculations show carbon-atom chain would go metal to semiconductor
(Phys.org) —Applying just the right amount of tension to a chain of carbon atoms can turn it from a metallic conductor to an insulator, according to Rice University scientists.
Printed CNT transistor circuits may lead to cheaper OLED displays
Understanding graphene's electrical properties on an atomic level
(Phys.org) —Graphene, a material that consists of a lattice of carbon atoms, one atom thick, is widely touted as being the most electrically conductive material ever studied. However, not all graphene is ...
'Diamane': Diamond film possible without the pressure
(Phys.org) —Perfect sheets of diamond a few atoms thick appear to be possible even without the big squeeze that makes natural gems.
Liberating devices from their power cords: New structural 'supercaps' take a lickin', keep on workin'
(Phys.org) —Imagine a future in which our electrical gadgets are no longer limited by plugs and external power sources. This intriguing prospect is one of the reasons for the current interest in building ...
Nanowires grown on graphene have surprising structure
(Phys.org) —When a team of University of Illinois engineers set out to grow nanowires of a compound semiconductor on top of a sheet of graphene, they did not expect to discover a new paradigm of epitaxy.
Flexible, transparent thin film transistors raise hopes for flexible screens
(Phys.org) —The electronics world has been dreaming for half a century of the day you can roll a TV up in a tube. Last year, Samsung even unveiled a smartphone with a curved screen—but it was solid, not ...
Self-cleaning, antireflective coating mimicks the structure of moth eyes
(Phys.org) —Porous films, which use similar properties to those seen in moth eyes in combination with nanoparticles, are being developed into robust, self-cleaning antireflective coatings for use on both ...
New type of solar structure cools buildings in full sunlight
(Phys.org) —A Stanford team has designed an entirely new form of cooling panel that works even when the sun is shining. Such a panel could vastly improve the daylight cooling of buildings, cars and other ...
Trees go high-tech: Process turns cellulose into energy storage devices
Based on a fundamental chemical discovery by scientists at Oregon State University, it appears that trees may soon play a major role in making high-tech energy storage devices.
Nature inspires a greener way to make colorful plastics
Long before humans figured out how to create colors, nature had already perfected the process—think stunning, bright butterfly wings of many different hues, for example. Now scientists are tapping into ...
Fine-tuning a rainbow of colors at the nanoscale
(Phys.org) —TVs, image sensors, iPads, digital cameras and other modern devices use filters to display the breadth of colors available in the visible portion of the electromagnetic spectrum.
Researchers find a way to integrate two two-dimensional materials into a single electronic device
Team observes real-time charging of a lithium-air battery
One of the most promising new kinds of battery to power electric cars is called a lithium-air battery, which could store up to four times as much energy per pound as today's best lithium-ion batteries. But ...