Encouraging quantum dots to emit photons
Researchers devise new 'subtractive' type of nanoscale printing
Researchers develop graphene supercapacitor holding promise for portable electronics
(PhysOrg.com) -- Electrochemical capacitors (ECs), also known as supercapacitors or ultracapacitors, differ from regular capacitors that you would find in your TV or computer in that they store substantially ...
'Dark plasmons' transmit energy
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.
Crystals from chaos: Physicists observe new form of carbon
(Phys.org) -- A team of scientists led by Carnegie's Lin Wang has observed a new form of very hard carbon clusters, which are unusual in their mix of crystalline and disordered structure. The material is ...
Particle-free silver ink prints small, high-performance electronics
University of Illinois materials scientists have developed a new reactive silver ink for printing high-performance electronics on ubiquitous, low-cost materials such as flexible plastic, paper or fabric substrates.
Improved quantum-dot performance: Could enable more efficient computer displays, enhanced biomedical testing
Quantum dots—tiny particles that emit light in a dazzling array of glowing colors—have the potential for many applications, but have faced a series of hurdles to improved performance. But an MIT team ...
Quantum dots brighten the future of lighting
(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...
Stunning image of smallest possible five-ringed structure
Scientists have created and imaged the smallest possible five-ringed structure about 100,000 times thinner than a human hair and you'll probably recognise its shape.
Photovoltaic panels made from plant material could become a cheap alternative to traditional solar cells
Within a few years, people in remote villages in the developing world may be able to make their own solar panels, at low cost, using otherwise worthless agricultural waste as their raw material.
Breakthrough nano-technology solar cell achieves 18.2% efficiency, eliminates need for anti-reflection layer
(Phys.org)—Scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have produced solar cells using nanotechnology techniques at an efficiency – 18.2%—that is competitive. The breakthrough ...
Electronics play by a new set of rules at the molecular scale
(Phys.org)—In a paper published in Nature Nanontechnology on September 2, 2012, scientists from the DOE's Brookhaven National Laboratory and Columbia University's departments of Chemistry and of Applie ...
Nanotube growth theory experimentally confirmed
(PhysOrg.com) -- The Air Force Research Laboratory in Dayton, Ohio, has experimentally confirmed a theory by Rice University Professor Boris Yakobson that foretold a pair of interesting properties about nanotube ...
Reversible assembly leads to tiny encrypted messages
(Phys.org) —Hidden in a tiny tile of interwoven DNA is a message. The message is simple, but decoding it unlocks the secret of dynamic nanoscale assembly.