Hybrid nanostructure with extreme light absorption looks promising for photovoltaics
Researchers improve performance of III-V nanowire solar cells on graphene
(Phys.org) —Imagine a field of small wires—standing at attention like a tiny field of wheat—gathering the Sun's rays as the first step in solar energy conversion.
0-D: Zero-dimensional quantum dots identified by researchers
(Phys.org) —In physics, there's small, and then there's nullity – as in zero-dimensional.
New '4-D' transistor is preview of future computers
(Phys.org)—A new type of transistor shaped like a Christmas tree has arrived just in time for the holidays, but the prototype won't be nestled under the tree along with the other gifts.
Nanoplasmonic 'whispering gallery' breaks emission time record in semiconductors
Renaissance architects demonstrated their understanding of geometry and physics when they built whispering galleries into their cathedrals. These circular chambers were designed to amplify and direct sound ...
Engineers achieve world record with high-speed graphene transistors
(PhysOrg.com) -- Graphene, a one-atom-thick layer of graphitic carbon, has great potential to make electronic devices such as radios, computers and phones faster and smaller. But its unique properties have also led to difficulties ...
New radiation therapy promises relief for overheating laptops
(PhysOrg.com) -- Our modern age has become accustomed to regular improvements in information technology, says Slava Rotkin, but these advances do not come without a cost.
New nanowire structure absorbs light efficiently
Researchers at Aalto University have developed a new method to implement different types of nanowires side-by-side into a single array on a single substrate. The new technique makes it possible to use different ...
New method to detect prize particle for future quantum computing
Quantum computing relies on the laws of quantum mechanics to process vast amounts of information and calculations simultaneously, with far more power than current computers. However, development of quantum computers has been ...
A crystal wedding in the nanocosmos
Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), the Vienna University of Technology and the Maria Curie-Skłodowska University Lublin have succeeded in embedding nearly perfect semiconductor ...
A new twist on a very old physics technique could impact nanoscience
(Phys.org) —A new twist on a very old physics technique could have a profound impact on one of the most buzzed-about aspects of nanoscience.
Exciting plasmons: Researchers tackle the tiniest technology to make gadgets smaller, faster, more efficient
(Phys.org) —University of Cincinnati researchers are discovering how to manipulate light to one day better view the world's tiniest objects through a super-lens, as well as how to hide an object in plain ...
'Cleaning' boosts solar cell efficiency
Energy losses in nanowire solar cell can be significantly reduced by 'cleaning' the surface of the cells with a special etching method. This has been shown by researchers at Eindhoven University of Technology ...
A new light source for quantum computers
Researchers have discovered a new way of emitting photons one at a time. They have constructed semiconductor nanowires with "quantum dots" of unprecedented quality - a discovery with implications for the ...