Clean Energy
Ultra-large electric field-induced strain in potassium sodium niobate crystals  Science Magazine · 2 days
Electromechanical coupling in piezoelectric materials allows direct conversion of electrical energy into mechanical energy and vice versa. Here, we demonstrate lead-free (KxNa1–x)NbO3 single crystals with an ultrahigh large-signal piezoelectric coefficient... more
A new battery chemistry promises safer high-voltage lithium-ion batteries  SCIENCE DAILY · 2 days
For the first time, researchers who explore the physical and chemical properties of electrical energy storage have found a new way to improve lithium-ion batteries. They successfully increased not only... more
Highly efficient and stable double layer solar cell developed  SCIENCE DAILY · 2 days
A research team has developed a new type of solar cell that can both withstand environmental hazards and is 26.7% efficient in power conversion. more
Research into perovskite-silicon tandem cells shows new path to take  PHYS.ORG · 2 days
Researchers at the National Renewable Energy Laboratory (NREL), working in collaboration with their counterparts in the Republic of Korea, have validated the potential of using a combination of... more
Paired with super telescopes, model Earths guide hunt for life  nanowerk · 2 days
Astronomers have created five models representing key points from our planet's evolution, like chemical snapshots through Earth's own geologic epochs. The models will be spectral templates for astronomers... more
Paired with super telescopes, model Earths guide hunt for life  SCIENCE DAILY · 3 days
Astronomers have created five models representing key points from our planet's evolution, like chemical snapshots through Earth's own geologic epochs. The models will be spectral templates for astronomers... more
Efficient, stable silicon tandem cells enabled by anion-engineered wide-bandgap perovskites  Science Magazine · 3 days
Maximizing the power conversion efficiency (PCE) of perovskite-silicon tandem solar cells that can exceed the Shockley-Queisser single-cell limit requires a high performing, stable perovskite top cell with a... more
Flux-induced topological superconductivity in full-shell nanowires  Science Magazine · 3 days
Hybrid semiconductor-superconductor nanowires have emerged as a promising platform for realizing topological superconductivity (TSC). Here, we present a route to TSC using magnetic flux applied to a full superconducting shell surrounding a semiconducting nanowire core. Tunneling... more
Upgrading biomass with selective surface-modified catalysts  PHYS.ORG · 3 days
Scientists have designed a catalyst composed of very low concentrations of platinum (single atoms and clusters smaller than billionths of a meter) on the surface of titanium dioxide. They demonstrated how this catalyst significantly enhances the... more
Cell reprogramming using extracellular vesicles from differentiating stem cells into white/beige adipocytes  Science Magazine · 4 days
Stem cell–derived extracellular vesicles (EVs) offer alternative approaches to stem cell–based therapy for regenerative medicine. In this study, stem cell EVs derived during differentiation... more
Team develops photosynthetic proteins for expanded solar energy conversion  PHYS.ORG · 5 days
A team of scientists, led by the University of Bristol, has developed a new photosynthetic protein system enabling an enhanced and more sustainable approach to solar-powered technological devices. more
New 3-D view of methane tracks sources  PHYS.ORG · 6 days
NASA's new 3-dimensional portrait of methane concentrations shows the world's second largest contributor to greenhouse warming, the diversity of sources on the ground, and the behavior of the gas as it moves through the... more
New material developed could help clean energy revolution  SCIENCE DAILY · 6 days
Researchers developed a promising graphene-carbon nanotube catalyst, giving them better control over hugely important chemical reactions for producing green technology and clean energy. more
New catalyst material could fuel clean energy revolution  PHYS.ORG · 6 days
Fuel cells and water electrolyzers that are cheap and efficient will form the cornerstone of a hydrogen fuel based economy, which is one of the most promising clean and sustainable alternatives to... more
Solar energy tracker powers down after 17 years  PHYS.ORG · 1 week
After nearly two decades, the Sun has set for NASA's SOlar Radiation and Climate Experiment (SORCE), a mission that continued and advanced the agency's 40-year record of measuring solar irradiance and studying... more
Reversible spin storage in metal oxide--fullerene heterojunctions  Science Magazine · 1 week
We show that hybrid MnOx/C60 heterojunctions can be used to design a storage device for spin-polarized charge: a spin capacitor. Hybridization at the carbon-metal oxide interface leads to spin-polarized charge trapping after an applied... more
The power of attraction: Magnets in particle accelerators  PHYS.ORG · 1 week
In 1820, Hans Christian Oersted gave a demonstration on electricity to a class of advanced students at the University of Copenhagen in Denmark. Using an early battery prototype, he looked to see... more
Shedding light on optimal materials for harvesting sunlight underwater  SCIENCE DAILY · 2 weeks
There may be many overlooked organic and inorganic materials that could be used to harness sunlight underwater and efficiently power autonomous submersible vehicles, report researchers. New research develops guidelines for... more
Frozen-planet states in exotic helium atoms  PHYS.ORG · 2 weeks
Exotic subatomic particles that are like 'normal' particles apart from one, opposite, property—such as the positron, which is like an electron but positively rather than negatively charged—are collectively known as antimatter. Direct studies of collisions between... more
Fast reconnection in turbulent media  PHYS.ORG · 2 weeks
Solar flares, similar to many other astrophysical energetic processes, are related to magnetic reconnection. During these events magnetic energy is transferred from other forms of energy, mostly heat and energetic particles. Traditionally, the goal of various models of... more
New catalyst provides boost to next-generation EV batteries  PHYS.ORG · 2 weeks
Metal-air batteries (MABs), which use oxygen from ambient air as recourses to store and convert energy, have received considerable attention for their potential use in electric vehicles (EVs) owing to their large... more
Graphene solar heating film offers new opportunity for efficient thermal energy harvesting  PHYS.ORG · 2 weeks
Researchers at Swinburne University of Technology's Centre for Translational Atomaterials have developed a highly efficient solar absorbing film that absorbs sunlight with minimal heat... more
Astronomers Discover 139 New Trans-Neptunian Objects  SCI-NEWS.COM · 2 weeks
Astronomers have released a catalog of 316 trans-Neptunian objects (TNOs) — minor planets located in the far reaches of the Solar System — detected... more
Ultrathin organic solar cell is both efficient and durable  nanowerk · 2 weeks
Using a simple post-annealing process, scientists created a flexible organic cell that degrades by less than 5 percent over 3,000 hours in atmospheric conditions and that simultaneously has an energy... more
Researchers find new minor planets beyond Neptune  PHYS.ORG · 3 weeks
Using data from the Dark Energy Survey (DES), researchers have found more than 300 trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system, including more than 100 new discoveries.... more
New minor planets found beyond Neptune  SCIENCE DAILY · 3 weeks
Using data from the Dark Energy Survey, researchers have found and cataloged more than 300 minor planets beyond Neptune, including more than 100 new discoveries. This updated catalog of trans-Neptunian objects, and the methods used to... more
Oil price crash: will it affect the move to green energy?  PHYS.ORG · 3 weeks
The collapse in global oil prices may end up being bad news in the short term for the transition to green energy, as cheaper crude could... more
Ultrathin organic solar cell is both efficient and durable  SCIENCE DAILY · 3 weeks
Scientists have succeeded in creating an ultrathin organic solar cell that is both highly efficient and durable. Using a simple post-annealing process, they created a flexible organic cell that degrades... more
Physicists keep improving 'smart' composites for biomedical sensors  PHYS.ORG · 3 weeks
IKBFU Physicists have successfully tested the new magnetic micro wire-based concept of "smart" composites production. The new composites are related to the multiferroic-class materials which have mutually controlled magnetic and electric properties.... more
Study reveals a mechanism that plants can use to dissipate excess sunlight as heat  PHYS.ORG · 3 weeks
For plants, sunlight can be a double-edged sword. They need it to drive photosynthesis, the process that allows them to... more
Super magnets from a 3-D printer  PHYS.ORG · 3 weeks
Magnetic materials are an important component of mechatronic devices such as wind power stations, electric motors, sensors and magnetic switch systems. Magnets are usually produced using rare earths and conventional manufacturing methods. A team of researchers... more
Scientists demonstrate first non-volatile nano relay operation at 200°C  SCIENCE DAILY · 3 weeks
Researchers have come up with a new type of nanoelectromechanical relay to enable reliable high-temperature, non-volatile memory. The work is an important development for all-electric vehicles and more-electric aircraft which... more
Triple-halide wide-band gap perovskites with suppressed phase segregation for efficient tandems  Science Magazine · 3 weeks
Wide–band gap metal halide perovskites are promising semiconductors to pair with silicon in tandem solar cells to pursue the goal of achieving power conversion efficiency (PCE)... more
Molecular tweak improves organic solar cell performance  PHYS.ORG · 3 weeks
A molecular tweak has improved organic solar cell performance, bringing us closer to cheaper, efficient, and more easily manufactured photovoltaics. The new design approach, targeting the molecular backbone of the cell's power-generating layer, was... more
Image: Lake-effect snowfall in the Great Lakes and New York  PHYS.ORG · 3 weeks
A powerful winter storm, with lake-effect snow, brought blizzard conditions to New York last week and buried the area surrounding the Great Lakes under a blanket of snow.... more
Scientists realize a broadly tunable laser of a single perovskite nanowire  nanowerk · 4 weeks
In this work, researchers constructed single perovskite alloy nanowire with a widely tunable bandgap (2.41-2.82 eV) through a solid-solid anion-diffusion process. more
Atomic-scale imaging reveals secret to thin film strength  PHYS.ORG · 4 weeks
An international team of scientists and engineers, led by University of Minnesota Associate Professor K. Andre Mkhoyan and Professor Emeritus Michael Tsapatsis (currently, a Bloomberg Distinguished Professor at Johns Hopkins University), have... more
'Welcome to Narnia': Frozen homes near Lake Erie are an eerie sight  LIVE SCIENCE · 4 weeks
Powerful winds and freezing temperatures recently made a chilling spectacle of several homes near Lake Erie, encasing them in thick layers of ice. more
'Needle in a haystack' discovery in quest to unlock clean energy technology  PHYS.ORG · 4 weeks
Researchers from the University of Aberdeen have discovered a new family of chemical compounds that could revolutionize fuel cell technology and help reduce global... more
First direct observation of elusive waves reveals energy channels in solar atmosphere  PHYS.ORG · 4 weeks
For the first time, torsional Alfvén waves have been directly observed in the solar corona by a team of researchers from the University of... more
A novel biofuel system for hydrogen production from biomass  PHYS.ORG · 4 weeks
A novel technology has been developed for hydrogen production from the process, which involves electron that is produced during the decomposition of biomass such as waste wood. The result produced... more
Light-induced assembly of living bacteria with honeycomb substrate  Science Magazine · 4 weeks
Some bacteria are recognized to produce useful substances and electric currents, offering a promising solution to environmental and energy problems. However, applications of high-performance microbial devices require a method to accumulate living... more
Team develops biofuel production process in cooperation with North American researchers  PHYS.ORG · 4 weeks
Biofuel is often touted as a clean fuel, but the fact that it is made using food sources is a major drawback. To address this issue,... more
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New 3-D view of methane tracks sources
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