Articles tagged with Energy Transfer
Researchers develop a new material that exhibits improved reversibility in its barocaloric effect, allowing for a wider temperature range and increased refrigeration capacity. The material combines neopentyl glycol and pentaglycerine with added pentaerythritol to reduce thermal hysteresis.
A team of scientists, led by Associate Professor Jiangtao Cheng, has discovered a previously unreported method to get a puddle of water up to 1 cm wide to jump into the air. The bursting energy of bubbles trapped inside the droplets is key to this phenomenon.
Researchers identify vulnerabilities in three major sectors: physical, financial, and managerial 'cliffs' that could trigger localized energy crises and price shocks. Policymakers are urged to adopt managed decline strategies to avoid disruption of services and stabilize the mid-transition period to zero carbon energy.
Scientists discover a new method to engineer crystalline materials with exceptionally low thermal conductivity by alloying YbN into AlN. This innovation has the potential to revolutionize industries such as semiconductor packaging and chemical reactors.
A major new study proves that hydropower is a leading force in cutting carbon emissions, with the potential to reshape sustainable development in Southeast Asia. The study found that as hydropower consumption increases, CO2 emissions drop significantly, while reliance on fossil fuels drives emissions upward.
Researchers at Rice University discovered that energy transfers faster between molecular sites when starting in an entangled state. This finding has implications for creating more efficient light-harvesting materials and understanding biochemical processes like photosynthesis.
A new study published in Nature Photonics reveals that virtual charges significantly influence the material's response to ultrashort light pulses. The research, conducted by Politecnico di Milano and other institutions, used advanced techniques to isolate the effect of virtual vertical transitions on monocrystalline diamonds.
Researchers have identified a new population of hypothalamic neurons, Crabp1 neurons, that play a critical role in regulating energy expenditure. Silencing these neurons leads to reduced energy expenditure and obesity, while activating them enhances locomotor activity and protects against high-fat diet-induced weight gain.
Researchers discovered the largest eukaryotic photosystem I-fucoxanthin-chlorophyll supercomplex in coccolithophores, which can expand its light-harvesting cross-section by three to four times while maintaining over 95% energy conversion efficiency.
Scientists at Virginia Tech mimic the natural movement of boulders on Racetrack Playa by creating a metal surface with asymmetric grooves that propel melting ice. The discovery has potential applications in rapid defrosting and energy harvesting.
Researchers have developed a three-dimensional imaging method to distinguish between two fundamental processes by which light is transformed into electric current in quantum materials. The breakthrough could lead to improvements in solar energy systems and optical communications technology.
Researchers at Carnegie Mellon University analyze historical U.S. carbon emissions trends, identifying factors that contributed to changes and offering lessons for developing countries. The study suggests that investing in efficient technologies and avoiding overreliance on coal can help avoid pitfalls encountered by the United States.
Researchers developed Group Encoding (GE) to forecast electricity demand using On/Off device status, improving prediction accuracy and efficiency in smart energy operation. The method simplifies complex datasets while retaining key information for optimal energy management.
Astronomers detect first-ever evidence of a 'planet with a death wish' as HIP 67522 b orbits extremely close to its host star, triggering flares that erode the planet's atmosphere. The radiation is so intense it causes the planet to shrink and lose mass at an alarming rate.
A nanometer-thin spacer layer has been inserted into exciplex upconversion OLEDs (ExUC-OLEDs) to improve energy transfer, enhancing blue light emission by 77-fold. This design enables the use of previously incompatible materials, paving the way for lightweight, low-voltage, and more flexible OLEDs.
A new solar X-ray detector on board the MSS-1B satellite achieves high accuracy in detecting spectral characteristics of X-ray solar flares. The instrument features a wide energy range, high count rate, and excellent spectral resolution.
University of Missouri scientists have developed an ice lithography technique that etches small patterns onto fragile biological surfaces without damaging them. The method uses frozen ethanol to protect the surface and apply precise patterns.
A team of researchers at Kyoto University has developed an experimental setup to precisely adjust the distance between microbubbles, enabling the manipulation of liquid flows. By controlling bubble vibrations, they were able to synchronize their movements and alter the surrounding flow, providing a new fluid control tool for medical an...
Fraunhofer IAF presents a bidirectional 1200 V GaN switch with integrated free-wheeling diodes, enabling more efficient power electronics for energy generation and mobility. The switch can be used in grid-connected power converters and electric drive systems.
The U.S. Naval Research Laboratory is hosting a family-friendly event to demonstrate military medical innovations, including virtual reality and medical simulation. The exhibit features devices developed to combat COVID-19 and protect against deadly insects.
Researchers found that roofs with shorter peak heights (less than three feet) should be wider to minimize heat loss, while taller peaks require equilateral triangles with a specific height-to-width ratio. These findings are similar to those seen in ancient architecture across the world.
Three UVA Engineering faculty members have been elected as AAAS Fellows for their groundbreaking work in computer architecture, energy transport, and hydrology. Sandhya Dwarkadas, Patrick E. Hopkins, and Venkataraman Lakshmi were recognized for their innovative research and contributions to their respective fields.
Researchers uncovered two electron-transfer mechanisms producing hydroxyl radicals, crucial in atmospheric chemistry. The findings reshape our understanding of acid-base chemistry and have implications for air quality, climate science, and biomedical processes.
Scientists have developed a novel synthesis method for trivalent phosphorus compounds, leveraging an adduct-catalyzed tandem electro-thermal approach to produce high-yielding organophosphorus compounds with improved efficiency and selectivity. The approach also enables the in-situ consumption of renewable energy sources.
Researchers developed a strategy to regulate hydrogen bond networks at electrolyte-electrode interfaces, accelerating proton transfer in CO2 reduction reactions. The approach involves introducing extra catalytic centers, such as cubic phase molybdenum carbide, to enhance water dissociation and facilitate proton generation.
Researchers at the University of Birmingham have developed a new method for rapid scalable preparation of uniform nanostructures directly from block polymers, significantly reducing processing time from weeks to just minutes.
Researchers have successfully imitated one of the first steps of natural photosynthesis by creating a stack of dyes that absorbs light energy and transfers charge carriers. This breakthrough has significant implications for artificial photosynthesis, which could potentially produce hydrogen and remove carbon dioxide from the atmosphere.
Chloroplast NTT proteins facilitate ATP/ADP transfer, playing a crucial role in photosynthesis and crop yields. The study's findings support the endosymbiotic theory, suggesting that chloroplasts evolved from cyanobacteria through horizontal gene transfer.
Scientists have found a way to control electrons in molecules using tailored terahertz light pulses, potentially leading to advances in electronics, energy transfer, and chemical reactions. This new method allows for precise control of molecular states essential for processes like solar cells and LEDs.
Researchers at Incheon National University have pioneered a novel resonant tuning rectifier (RTR) for parallel compensated receivers in wireless power transfer. The RTR enhances efficiency via dynamic frequency adaptation, reducing circuit impedance and minimizing interference with other devices.
Researchers find that intense laser pulses cause tunnel ionization, generating photocarriers and altering the lattice energy surface, leading to ultrafast melting of wide-gap ceramic materials like MgO. The study demonstrates a universal microscopic mechanism for laser-induced phase transitions.
Assistant Professor Lawrence Lee receives $120,000 to strengthen transfer pipeline of physics students and continue his research on experimental high-energy particles. He aims to develop transformative educational programs and expand the audience for physics through outreach initiatives.
The study introduces a game-changing concept in dual-mode display design by uniting luminescence and coloration within a single device. The device leverages smectite clay to stabilize europium(III) complexes for vibrant luminescence and heptyl viologen derivatives for striking color changes.
Weizmann researchers create new method to analyze dendrites in lithium-ion batteries, finding optimal composition for safe energy storage. The study reveals 'golden ratio' for electrolyte balance, extending battery life and reducing fire hazard.
Researchers at Rice University have developed a programmable quantum system capable of independently controlling key factors in electron transfer. This breakthrough paves the way for novel insights into light-harvesting systems and molecular devices.
Researchers have developed a liquid moisture adsorbent that can efficiently harvest water from the air at near ambient temperatures. The technology, which uses random copolymers of polyethylene glycol and polypropylene glycol, has the potential to provide clean drinking water in arid regions and during disasters.
Researchers on the ISS National Lab have leveraged microgravity to study fundamental physical phenomena, such as heat transfer, combustion, and fluid dynamics. These discoveries hold potential for advances in pharmaceuticals, energy production, materials manufacturing, and more.
Researchers found that trees exhibit two distinct swaying patterns depending on wind speed, with branches absorbing energy in light winds and whole-tree sway in higher winds. The transition between patterns occurred at different wind speeds depending on forest density, shedding light on how forests respond to wind stress.
Researchers at Binghamton University have developed a paper-based wearable device that captures moisture from the air and converts it into electricity. The device uses bacterial spores to break down water molecules into ions, generating an electric charge.
Researchers developed a novel approach to regulate temperature based on gold structure concentration, improving spin wave transfer efficiency. This innovation has promising potential for future applications using spin waves and addresses the persistent issue of heat generation in electronic devices.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers have made breakthroughs in hot carrier solar cells by studying electron tunneling and collection, increasing generation and extraction. The study revealed that a new system comprising AlGaAs and GaAs materials can harness valley photovoltaics and realize solar cells beyond the current single bandgap limits.
A research team proposed a novel approach to simulate nonadiabatic dynamics of molecules at metal surfaces. The simulation strategy accurately captured the complex energy transfer processes in experiments, revealing different pathways for high and low initial vibrational states.
A team of researchers has developed a double-layer dry transfer printing technology to create ultrahigh-definition light-emitting devices with high efficiency. This innovation enables better augmented reality (AR) and virtual reality (VR) experiences, reducing dizziness caused by small screens conveying large amounts of information.
Researchers propose a leaf-inspired luminescent solar concentrator (LSC) design to overcome scalability limitations. The innovative setup enhances photon collection and transfer, improving efficiency and reducing self-absorption issues.
A team of researchers from Tokyo Institute of Technology elucidated the mechanisms of electron transfer in upconversion organic light-emitting diodes, resulting in improved efficiency. They discovered a novel donor-acceptor combination that led to the fabrication of an efficient blue UC-OLED with an extremely low turn-on voltage.
A new study catalogs greenhouse gas emissions tied to energy use for interbasin water transfers, with a significant portion attributed to agriculture. The research found that irrigation-related emissions are substantial in certain locations, particularly those with high concentrations of agricultural land.
A team of NUS researchers developed a compact and sensitive rectifier technology that uses nanoscale spin-rectifiers to convert ambient wireless radio frequency signals into DC voltage. The technology overcomes challenges in existing energy harvesting modules, enabling battery-free operation for small electronic devices.
University of Texas at Dallas researchers develop AI model that can automatically reroute electricity in milliseconds to prevent power outages. The system uses machine learning to map complex relationships between entities in a power distribution network, enabling faster response times than human-controlled processes.
Researchers at Osaka Metropolitan University have developed a novel technique to control Förster resonance energy transfer using optical tweezers. The method, which accelerates energy transfer by increasing laser intensity, offers a non-contact approach for microchemistry and quantum dot applications.
Researchers have made significant progress in understanding the one-neutron stripping process in lithium-6 and bismuth-209 reactions. The study reveals that this process yields results comparable to fusion reactions, especially at energy regions near nuclear barriers.
Researchers have developed a computer model that sheds light on extracting renewable energy from superhot, super deep rock. The model shows the formation of microscopic cracks creating a dense 'cloud of permeability' throughout the affected rock, which can lead to higher power delivery and efficiency.
A recent study reveals that layered materials composed of low-dimensional structures exhibit new properties when exposed to light. The researchers found that electrons can transfer between layers and convert energy into thermal energy, facilitating fast thermal conversion.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
The study found that an 80% concentration of zirconium dioxide (ZrO2) and specific solvents leads to the highest pattern transfer efficiency. The conversion efficiency reaches impressive levels in the ultraviolet spectrum, paving the way for commercial viability of metasurfaces.
Researchers developed a new theory that bridges biological vessels and artificial materials, applicable to various functional materials. The Universal Murray's Law can optimize fluid transport in synthetic structures, boosting efficiency in energy storage, catalysis, and sensing.
A team of researchers created a single negatively charged lead-vacancy center in diamond, which emits photons with specific frequencies not influenced by the crystal's vibrational energy. This characteristic makes the PbV center a promising building block for large-scale quantum networks.
A new type of aqueous battery is developed with a specific capacity of over 840 Ah/L and an energy density of up to 1200 Wh/L. The battery uses a mixed halogen solution as the electrolyte, enabling a multi-electron transfer reaction that improves kinetic and reversibility.
Scientists developed a new technique using knot theory to find all possible routes from one orbit to another without guesswork or excessive computer power. This makes planning missions simpler and more efficient, like navigating a tube map.
A new study reveals that Global North countries' outsourcing of energy-intensive industrial processes to the Global South leads to greater carbon emissions and environmental damage. The researchers urge both regions to work together to address this issue, promoting energy equity and sustainability.