Small-molecule solar cells get 50% increase in efficiency with optical spacer
Metallic-to-semiconducting nanotube conversion greatly improves transistor performance
Copper nanowires offer an efficient, inexpensive approach to solar energy harvesting
Copper adorns the Statue of Liberty, makes sturdy, affordable wiring, and helps our bodies absorb iron. Now, researchers at Duke University would like to use copper to transform sunlight and water into a ...
Big beats bolster solar cell efficiency
(Phys.org) —Playing pop and rock music improves the performance of solar cells, according to new research from scientists at Queen Mary University of London and Imperial College London.
Tiny laser gives big boost to high speed data transmission
(Phys.org) —High-speed communication just got a turbo boost, thanks to a new laser technology developed at the University of Illinois that transmits error-free data over fiber optic networks at a blazing ...
Nanotube-based sensors can be implanted under the skin for a year
Nitric oxide (NO) is one of the most important signaling molecules in living cells, carrying messages within the brain and coordinating immune system functions. In many cancerous cells, levels are perturbed, ...
Field-effect transistors get a boost from ferroelectric films
(Phys.org) —As microelectronics get smaller and smaller, one of the biggest challenges to packing a smartphone or tablet with maximum processing power and memory is the amount of heat generated by the tiny ...
Scientists unveil energy-generating window
Scientists in China said Thursday they had designed a "smart" window that can both save and generate energy, and may ultimately reduce heating and cooling costs for buildings.
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.
Simple urine test uses nanotechnology to detect dangerous blood clotting
Life-threatening blood clots can form in anyone who sits on a plane for a long time, is confined to bed while recovering from surgery, or takes certain medications.
Scientists create a super antioxidant: Common catalyst cerium oxide opens door to nanochemistry for medicine
Scientists at Rice University are enhancing the natural antioxidant properties of an element found in a car's catalytic converter to make it useful for medical applications.
On the road to fault-tolerant quantum computing: High temperature superconductivity in a toplogical insulator
Reliable quantum computing would make it possible to solve certain types of extremely complex technological problems millions of times faster than today's most powerful supercomputers. Other types of problems ...
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 ...