Small-molecule solar cells get 50% increase in efficiency with optical spacer
Semiconductor 'shish kabob' nanostructures combine properties from different dimensions
Sodium-air battery offers rechargeable advantages compared to Li-air batteries
New coating technique finds application in next-generation lithium battery anodes
'Seeing' through paint
Chameleon in lab: Looking cooler when heated, thin coating tricks infrared cameras
(Phys.org) —Active camouflage has taken a step forward at the Harvard School of Engineering and Applied Sciences (SEAS), with a new coating that intrinsically conceals its own temperature to thermal cameras.
3D graphene: Solar cells' new platinum?
One of the most promising types of solar cells has a few drawbacks. A scientist at Michigan Technological University may have overcome one of them.
Device for capturing signatures uses tiny LEDs created with piezo-phototronic effect
Researchers at the Georgia Institute of Technology want to put your signature up in lights – tiny lights, that is. Using thousands of nanometer-scale wires, the researchers have developed a sensor device ...
Team develops new water splitting technique that could produce hydrogen fuel
A University of Colorado Boulder team has developed a radically new technique that uses the power of sunlight to efficiently split water into its components of hydrogen and oxygen, paving the way for the ...
Champion nano-rust for producing solar hydrogen
EPFL and Technion researchers have figured out the "champion" nanostructures able to produce hydrogen in the most environmentally friendly and cheap manner, by simply using daylight.
Man-made material shows surprisingly magnetic personality
(Phys.org) —Scientists from SLAC and Stanford have used finely tuned X-rays at the Stanford Synchrotron Radiation Lightsource (SSRL) to pin down the source of a mysterious magnetism that appears when two ...
Researchers extend galvanic replacement reactions to metal oxide nanocrystals
Transparent electrode innovation could bring flexible solar cells, transistors, displays
(Phys.org) —Researchers have created a new type of transparent electrode that might find uses in solar cells, flexible displays for computers and consumer electronics and future "optoelectronic" circuits ...
Researchers report first fully integrated artificial photosynthesis nanosystem
(Phys.org) —In the wake of the sobering news that atmospheric carbon dioxide is now at its highest level in at least three million years, an important advance in the race to develop carbon-neutral renewable ...