What if the wood your house was made of could save your electricity bill? In the race to save energy, using a passive cooling method that requires no electricity and is built right into your house could save even chilly areas of the US some cash.
UC San Diego engineers have developed a high-throughput computational method to design new materials for next generation solar cells and LEDs. Their approach generated 13 new material candidates for solar cells and 23 new candidates for LEDs. Calculations predicted that these materials, called hybrid halide semiconductors, would be stable and exhibit excellent optoelectronic properties.
Titan supercomputer tells origin story of nanoparticle size distributions with large-scale simulations.
Superconductors’ never-ending flow of electrical current could provide new options for energy storage and superefficient electrical transmission and generation. But the signature zero electrical resistance of superconductors is reached only below a certain critical temperature and is very expensive to achieve. Physicists in Serbia believe they’ve found a way to manipulate superthin, waferlike monolayers of superconductors, thus changing the material’s properties to create new artificial materials for future devices. They discuss their work in the Journal of Applied Physics.
The global science and technology organization Battelle recognized materials scientist Mircea Cotlet of Brookhaven Lab's Center for Functional Nanomaterials for his research in applying self-assembly methods to control the interfaces between nanomaterials and other light-interacting components.
Columbia Engineering researchers report that they have demonstrated a nearly ideal transistor made from a 2D material stack—with only a two-atom-thick semiconducting layer—by developing a completely clean and damage-free fabrication process. Their method shows vastly improved performance compared to 2D semiconductors fabricated with a conventional process, and could provide a scalable platform for creating ultra-clean devices in the future.
The team at the BETCy Energy Frontier Research Center is learning how electron transfer processes drive energy-intensive reactions that produce ammonia and other chemicals. Knowing how electrons move could lead to processes that let industrial reactions soar over energy barriers.
Researchers at the University of Washington, the U.S. Naval Research Laboratory and the Pacific Northwest National Laboratory discovered that they can use extremely high pressure and temperature to introduce other elements into nanodiamonds for applications in bioimaging and quantum computing.
NIBIB researchers have designed a nanoparticle that generates radiation-induced oxygen free radicals in the low-oxygen center of tumors, dramatically increasing tumor destruction.
NIBIB-funded researchers have designed a new class of two-dimensional (2D) nanomaterials that are disc-shaped and flat on the surface, similar to a coin, to aid in treatments for cartilage repair.
Researchers at DOE’s Lawrence Berkeley National Laboratory (Berkeley Lab) have 3D-printed an all-liquid device that, with the click of a button, can be repeatedly reconfigured on demand to serve a wide range of applications – from making battery materials to screening drug candidates.
Creating a lithium-ion battery that can charge in a matter of minutes but still operate at a high capacity is possible, according to research from Rensselaer Polytechnic Institute just published in Nature Communications.
Scientists at the U.S. Department of Energy’s Ames Laboratory have developed a new microscopy approach for imaging gel nanocomposites in their natural state, which will reveal more useful information about their assembly and properties.
Gold atoms ski along boron nitride nanotubes and stabilize in metallic monolayers. The resulting gold quantum dots could be a promising material for future electronics and quantum computing.
Detailed 3D images show how nanoparticles change in reactions that purify contaminated water or power recyclable geochemical batteries.
In a new study, researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, together with collaborators in France and Russia, have created a permanent static “negative capacitor,” a device believed to have been in violation of physical laws until about a decade ago.
These strange bacteria conduct electricity through a structure never before seen in nature -- a structure scientists can co-opt to miniaturize electronics, create powerful-yet-tiny batteries, build pacemakers without wires and develop a host of other medical advances.
Science-fiction writers have long envisioned human–machine hybrids that wield extraordinary powers. However, “super plants” with integrated nanomaterials may be much closer to reality than cyborgs.
The Department of Energy (DOE) and Lawrence Livermore National Laboratory (LLNL) today announced the spring 2019 call for proposals for the High Performance Computing for Energy Innovation (HPC4EI) Program, including three of its pillar programs.
Imagine wounds that heal without scars. It’s possible with electrospun nanofibers. A team from Michigan Tech streamlined the tissue scaffold production process, cutting out time spent removing toxic solvents and chemicals. Using a unique blend of polymers, they hope to speed up biomedical engineering prototyping using identical materials for a range of tests.
Dr. Heng Pan, assistant professor of mechanical and aerospace engineering at Missouri University of Science and Technology, has received a big boost from the National Science Foundation (NSF) to support his efforts to create large-scale nanostructures from very small nanocrystals. Pan received the NSF Faculty Early Career Development (CAREER) Award for his project, “Laser Direct Writing of Three-Dimensional Functional Nanostructures."
Technion researchers have developed an innovative sensing system capable of identifying and distinguishing different stimuli. Based on origami, and combined with conductive ink the researchers also developed, the multi-functional sensor is capable of identifying the “fingerprints” of materials and chemicals by their “taste” and “smell.”
WEST LAFAYETTE, Ind. - A fascination with movie technology that showed robots perform self-repair through a liquid formula inspired a Purdue University professor to make his own discoveries - which are now helping to lead the way for advancements in self-powering devices such as consumer electronics and defense innovations.
The award will support a five-year project during which a unique system of microscale self-propelled particles will be developed that will enable control of the movement in unprecedented ways.
Using a never-before-seen technique, scientists have found a new way to use some of the world’s most powerful X-rays to uncover how atoms move in a single atomic sheet in real time, opening up new possibilities for probing two-dimensional materials.
Researchers have created tiny functional, remote-powered, walking robots, developing a multistep nanofabrication technique that turns a 4-inch specialized silicon wafer into a million microscopic robots in just weeks. Each one of a robot’s four legs is just under 100-atoms-thick, but powered by laser light hitting the robots’ solar panels, they propel the tiny robots. The researchers are now working on smart versions of the robots that could potentially make incredible journeys in the human body.
University of Minnesota engineering researchers have developed a unique new device that provides the first step toward ultrasensitive biosensors to better detect diseases like Alzheimer’s disease and Chronic Wasting Disease at the molecular level.
In a new study from the U.S. Department of Energy’s (DOE) Argonne National Laboratory, scientists placed small iron oxide particles in an acidic solution, causing a reaction at the surface as iron atoms oxidized. As the reaction progressed, the researchers observed strain that built up and penetrated inside the mineral particle.
Exploiting a strain-engineering approach could provide nanoscale light sources with a nonfluctuating emission wavelength for use in sensors, quantum communication, and imaging.
A finding from a team led by scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory could ultimately help improve the army of tiny, vibrating components found in a range of electronics and even create devices that mimic biological processes. The researchers have pioneered a micromechanical device that responds to external signals in an entirely new way.
A nanoscientist’s work in silicon photonics may inspire more energy-efficient computing and data centers.
Modern cosmetics and medical implants contain many inorganic substances. Studies by South Ural State University researchers is aimed at understanding how biological molecules of the human body will interact with new, foreign, inorganic molecules and implants. A study by the SUSU team of nanotechnologists published in the top-rated Langmuir journal (Q1) can be helpful for international medicine, cosmetology, and transplantology.
Argonne scientists have developed a way to control the motion of swimming bacteria using 3-D-printed microscopic pillars. This advance might eventually influence microscopic transport, biomedicine and even microrobotics.
For nanomedicine to achieve the envisioned breakthroughs in disease treatment, scientists must learn why the immune system often responds inhospitably to these therapies. An NIH-funded team at the University of Colorado (UC) has assembled a clearer picture of the molecular activity that occurs when nanoparticles injected into the body are marked for immune system attack.
A new ultrasensitive diagnostic device invented by researchers at the University of Kansas, The University of Kansas Cancer Center and KU Medical Center could allow doctors to detect cancer quickly from a droplet of blood or plasma, leading to timelier interventions and better outcomes for patients.
A new method of increasing the reactivity of ultrathin nanosheets, just a few atoms thick, can someday make fuel cells for hydrogen cars cheaper, finds a new Johns Hopkins study.
The two most abundant elements in the universe, hydrogen and helium, were previously thought to be impossible to measure by X-ray photoelectron spectroscopy.
Scientists use implanted silicon ions and electricity to increase the spin time of quantum bits, moving closer to the tech needed for quantum networks.
Optimized oxides made from common metals use less energy and show the potential of new design approach.
Particle crowding interferes with moving energy efficiently along promising molecular chains.
Using neutron characterization techniques a team of scientists have peered inside one of the most unique examples of wire gold, understanding for the first time the specimen's structure and possible formation process. The 263 gram, 12 centimeter tall specimen, known as the Ram's Horn, belongs to the collection of the Mineralogical and Geological Museum Harvard University (MGMH).
Hyperbolic metamaterials are artificially made structures that can be formed by depositing alternating thin layers of a conductor such as silver or graphene onto a substrate. One of their special abilities is supporting the propagation of a very narrow light beam. This narrow beam can then be used to “fingerprint” and obtain spatial and material information about nanometer-scale objects -- allowing identification without complete images. Researchers report their work in APL Photonics.
The Department of Energy’s Oak Ridge National Laboratory has named Sean Hearne director of the Center for Nanophase Materials Sciences.
New research by Lawrence Livermore National Laboratory scientists and collaborators at the University of California, Irvine shows that synthetic solid-state nanopores can have finely tuned transport behaviors much like the biological channels that allow a neuron to fire.
An article written by University of Arkansas at Little Rock researchers, students, and collaborators has been accepted for publication into “Nanoscale,” a peer-reviewed scientific journal, as well as included in the 2018 Nanoscale HOT Article Collection. The article, “Quantification of cellular associated graphene and induced surface receptor responses,” presents a new, combination-based way to quantify and analyze the effect of graphene at the single cell level.
New findings published in “Nature Communications” could apply to the manufacture of self-assembling nanomaterials and the creation of environmentally responsive sensors. This could lead to new methods for making nanoscale devices and more economical medical, point-of-care diagnostics.
Priscilla Antunes, the new assistant director for strategic partnerships at Brookhaven Lab's Center for Functional Nanomaterials (CFN), is helping scientists establish partnerships with universities, other research labs, and industry to increase the impact of their research.
New method for alleviating the effects of “noise” in quantum information systems addresses a challenge that scientists around the globe are working to meet in the race toward a new era of quantum technologies.
Researchers from the National University of Singapore have found that cancer nanomedicine, which are designed to kill cancer cells, may accelerate metastasis. Using breast cancer as a model, they discovered that common nanoparticles made from gold, titanium dioxide, silver and silicon dioxide – found in processed food, consumer products, and also used in nanomedicines – widen the gap between blood vessel cells, making it easier for other cells, such as cancer cells, to go in and out of “leaky” blood vessels.
Scientists at Oak Ridge National Laboratory described in the journal Science the first use of an electron microscope to directly identify isotopes in amino acids at the nanoscale without damaging the samples, which could open a new pathway for deeper, more comprehensive studies of the basic building blocks of life.
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