Articles tagged with Energy Transfer
The Digitally programmable Over-brain Therapeutic (DOT) device, the size of a pea, activates the motor cortex, allowing patients to move their hands. The technology offers greater patient autonomy and accessibility than current neurostimulation-based therapies.
Physicists calculated that neutron stars can heat up quickly due to energy transfer from dark matter particles, providing a potential way to detect dark matter. This process could reveal the nature of dark matter and its interactions with regular matter.
A team led by Prof. Wolf Gero Schmidt used Hawk supercomputer to study how strategic impurities in solar cells can improve performance. They discovered that certain defects can improve exciton transfer, leading to more energy captured. This breakthrough could lead to more efficient and climate-friendly energy production.
Physicists at Paderborn University have developed a new solar cell design using tetracene, which significantly increases efficiency. The introduction of defects in the organic layer accelerates exciton transfer to silicon, reducing energy losses and increasing overall yield of usable energy.
Indiana University researchers have found that nicotinamide nucleotide adenylyl transferase 2 (NMNAT2) plays a critical role in protecting the brain from aging and neurodegenerative diseases. The enzyme provides energy to axons, enabling them to carry out nerve impulses and maintain healthy function.
Scientists at Linköping University have successfully developed molecular gears with controlled rotary motion, overcoming previous challenges of single bond rotation. This breakthrough paves the way for future applications in medical drug delivery and solar energy storage.
A novel transparent spectral converter, GdPO4-GC:Eu3+/Pr3+, absorbs UV photons and re-emits them as visible light, increasing photovoltaic devices' conversion efficiency. This technology shields PCs from UV damage and enhances their sensitivity to UV photons.
Researchers have introduced a new technique for detecting per- and polyfluoroalkyl substances (PFAS) in water samples using interrupted energy transfer. The detection limit is in the µg/l range, making it suitable for on-site testing in highly contaminated regions.
Researchers at UEA have proposed a new method to investigate quantum-mechanical processes in molecules using quantum light. The study shows that phonon signatures can be detected in photon correlations, providing a toolbox for studying quantum sound interactions.
A new strategy optimizes optical and electrical characteristics of thin c-Si solar cells, improving conversion efficiency by 28% compared to industrial thick counterparts. The proposed design uses a layer transfer method and metal nanofilms for enhanced light absorption and surface passivation.
Researchers from Korea Maritime and Ocean University developed a new framework for solving the energy efficiency problem in IIoTs. The proposed SWIPT-NOMA-DAS system is five times more energy efficient than existing systems, with significant improvements in performance and battery life extension.
The study reveals a quantum switching mechanism of LHCII, which regulates energy transfer quantum channel in response to lateral pressure and conformational change. This mechanism enables high efficiency in photosynthesis and balanced photoprotection.
A team led by Dr. Zixiang Xiong at Texas A&M University aims to understand the fundamental limits of learned source coding, a machine learning-based data compression method. They hope to develop more powerful compression methods for efficient use of wireless communication and less energy consumption by mobile devices.
A better way to wirelessly charge over long distances has been developed, utilizing the phenomenon of radiation suppression. The research shows high transfer efficiency, over 80 percent, can be achieved at distances approximately five times the size of the antenna.
A team led by SwRI and UTSA discovered Kelvin-Helmholtz instabilities in Jupiter's magnetosphere, enabling the transfer of energy and mass from the solar wind. This process is crucial for understanding the interaction between the solar wind and planetary magnetic fields.
Researchers designed two new types of superconductivity by depositing chromium atoms on a superconducting niobium surface, confirming theoretical predictions. This method enables the creation of two-dimensional superconductors with atomic precision.
Researchers have discovered new lanthanide complexes that can be used as emitters in single-emitting-layer WOLEDs. These complexes eliminate energy transfer between host materials and emitters, enabling efficient white electroluminescence with controllable doping concentrations. The findings could simplify device design and fabrication...
Researchers found that disordered organization of proteins boosts energy transfer efficiency, allowing nearly every photon to generate an electron. This finding could lead to better understanding of photosynthesis and potential applications in artificial systems.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers used coherence maps to study quantum mechanisms in photosynthesis, revealing energy transfer pathways and a clear explanation for the process. The technique gave important insights into one of biology's great mysteries.
University of Rochester researchers create a groundbreaking system mimicking photosynthesis using bacteria and nanomaterials to produce clean-burning hydrogen fuel. The innovative approach replaces fossil fuels in the process, offering an environmentally friendly alternative.
A team of researchers found that prosumers, who produce their own electricity, can lower transmission charges when generating less energy. However, when producing a large amount of renewable energy, transmission charges increase. The study suggests levying a per-MWh tax on prosumer consumption to reduce the likelihood of death spirals.
Researchers developed a new photonic blockchain called LightHash that uses a silicon photonics chip to reduce energy consumption in cryptocurrency mining. The approach could enable low-energy optical computing, reducing data centers' energy consumption and paving the way for more eco-friendly cryptocurrencies.
Researchers at Ruhr University Bochum have observed a sudden change in pH value after a proton is released from pyranine molecules excited by light. The study used new technology to capture the process in real-time, revealing an oscillation that subsides over time and promotes excited-state proton transfer.
A new method to regulate singlet fission (SF) in chromophores enables the design of SF-based materials with enhanced energy conversion. Pressure-based control strategy opens doors to novel, tunable SF materials.
Researchers from the University of Illinois have developed a new theory that explains how convection occurs inside reactive porous media, shedding light on mass and heat transfer principles. The theory introduces a spectral Sherwood number and extends Newton's law of cooling for convection heat transfer to transient conditions.
Scientists from the University of Groningen have developed a theoretical framework to explain how charges move through organic solar cells. The study provides insights into the ultrafast charge transfer process, which is crucial for improving the material's efficiency.
Researchers at Lancaster University have discovered how energy disappears in quantum turbulence, a crucial step towards mastering this phenomenon and its applications. The study reveals the role of Kelvin waves in transferring energy from macroscopic to microscopic length scales.
Researchers at Aalto University have made significant progress in understanding quantum wave turbulence by studying its behavior in ultra-low temperature refrigerators. They found that Kelvin waves transfer energy from macroscopic to microscopic scales, confirming a theoretical prediction about dissipation of energy at small scales.
A new mathematical theory developed by scientists at Rice University and Oxford University can predict the nature of motions in complex quantum systems. The theory applies to any sufficiently complex quantum system and may give insights into building better quantum computers, designing solar cells, or improving battery performance.
A Berkeley Lab-led team has designed a new type of solid electrolyte consisting of a mix of various metal elements, resulting in a more conductive and less dependent material. The new design could advance solid-state batteries with high energy density and superior safety, potentially overcoming long-standing challenges.
Researchers observed energy transfer from resonant electrons to whistler-mode waves in space, confirming non-linear growth theory. This finding improves understanding of space weather's impact on satellites and could help protect astronauts.
A team of researchers has made a groundbreaking discovery that helps explain how the solar corona can be vastly hotter than its surface. The breakthrough involves magnetic reconnection, which separates and reconnects magnetic fields in plasma, converting turbulent energy into thermal energy at small scales.
Materials like graphene can withstand charged ions, while others form nano-sized pores when hit. The researchers developed a model to predict this behavior, which could be used to create tailored membranes with specific nanopores.
A research team at Lund University has successfully used mirrors to enhance light interaction with antenna complexes in photosynthesis. This breakthrough could lead to more efficient energy transfer processes and eventually be used to produce fuel from carbon dioxide, a promising solution for the climate crisis.
Researchers at MIT have developed a new method that uses optics to accelerate machine-learning computations on low-power devices. By encoding model components onto light waves, data can be transmitted rapidly and computations performed quickly, leading to over a hundredfold improvement in energy efficiency.
Researchers at National Institutes of Natural Sciences observe plasma heating due to electromagnetic waves for the first time. They used a new measurement system to capture ultrahigh-speed data, revealing that Landau damping transfers energy from high-energy particles to electromagnetic waves, which then heat the plasma.
Scientists have connected two soft crystals and observed energy transfer between them, leading to the potential development of sophisticated materials. The study used rare earth metals called lanthanides, which can luminesce, to create a molecular train that exhibited green luminescence at one end and yellow luminescence at the other.
Scientists at KAUST have successfully created a semiconductor material with multiple exciton generation, resulting in a photocurrent quantum efficiency of over 100%. This breakthrough could lead to improved solar cells and light-harvesting applications.
Researchers have gained new understanding of solvation, a process that changes water's physical and chemical properties. Strong interactions between ions and water molecules are disrupted by electrostatic interactions, leading to changes in intermolecular energy transfer.
Researchers from Johannes Gutenberg University Mainz have achieved a breakthrough in using chromium compounds for efficient green-to-blue photon upconversion. This process can expand the use of low-energy sunlight in solar cells and photochemical reactions, reducing environmental impacts associated with rare metal extraction.
Researchers at NTU Singapore have developed a flexible and durable fabric that harnesses energy from human movements, providing a potential solution for wearable power sources. The fabric generates enough electricity to light up LEDs and charge capacitors, demonstrating its potential for use in smart textiles and wearable electronics.
Researchers at MIT have designed a new type of photoredox catalyst that can be used to coat plastic tubing and perform chemical transformations on reactants as they flow through the tube. This breakthrough could enable the use of light-driven reactions in manufacturing processes, increasing efficiency and reducing waste.
Researchers have found a way to perform hydrogen atom transfer reactions with fewer chemicals and less cost, making it more efficient for industrial and academic settings. The new method uses electrochemistry to create cobalt hydride catalysts, reducing the need for expensive oxidants and reductants.
By pairing two waveguides, one with an ill-defined topology and another with a well-defined one, researchers created a topological singularity that can halt waves in their tracks. This phenomenon has potential applications in energy harvesting and enhancing nonlinear effects.
Researchers at NYU Abu Dhabi have discovered that organic crystals can efficiently convert energy, meeting the needs of advanced technologies such as soft robotics and artificial muscles. The material's ability to expand and contract repeatedly without deterioration makes it suitable for applications in electronics.
A new sensor technology allows for real-time monitoring of lactate levels in the brain, providing insights into energy metabolism and potential applications in cancer detection. The sensors corrected for hemodynamic artifacts using MRI-informed corrections enable accurate cell-specific lactate level recordings.
Researchers at INRS have developed a new method to study the spin dynamics inside rare earth materials, promising for spintronic devices. The breakthrough uses a tabletop ultrafast soft X-ray microscope to spatio-temporally resolve spin dynamics.
Physicists have made a peculiar discovery in which energy moves from a colder to a hotter region, creating counterintuitive edge currents. The research, published in Physical Review Letters, shows that these currents are remarkably robust and can occur in topologically trivial systems.
Researchers have discovered the opto-ionic effect, where light increases the mobility of ions in ceramic materials, improving the performance of devices such as solid-state electrolytes in fuel cells and lithium-ion batteries. This effect could lead to higher charging speeds and more efficient energy conversion technologies.
Researchers from the University of Münster have successfully performed an unconventional cycloaddition, reacting a carbon-carbon double bond with a strained single bond. This method has significant synthetic benefits, allowing for the creation of polycyclic, three-dimensional carbon scaffolds.
A team led by Prof. Dr. Giuseppe Sansone used attosecond pulses to investigate the motion of electrons after photon absorption, finding they experience a complex landscape with potential peaks and valleys. This approach can be extended to more complex molecular systems, providing unprecedented temporal resolution.
Researchers at Johns Hopkins University created a lightweight, reusable material that can absorb extreme energy impacts like metal, offering improved protection for helmets, body armor, and vehicles. The new foam-like material could lead to stronger, lighter, and safer protective gear.
Researchers from Nagoya University revealed a new energy transfer pathway between high-frequency plasma waves and low-energy ions, generating low-frequency plasma waves through collisionless plasma. This discovery could contribute to improved space weather forecasting and safer satellite operations.
Scientists have observed that ionizing radiation can cause intermolecular Coulombic decay in organic molecules, leading to damage in DNA and proteins. This new understanding could lead to the development of more effective substances for radiation therapy and improve knowledge of how radiation damages healthy tissue.
Scientists have made a groundbreaking discovery by exciting an unattainable energy transition in an artificial atom using laser light. The radiative Auger process allowed them to stimulate electrons to emit energy and transfer it to another electron, achieving a seemingly impossible transition.
A team of MIT researchers has created a biohybrid photocatalyst that can mimic photosynthesis, improving the yield of chemical reactions for generating pharmaceuticals. The new catalyst uses a light-harvesting protein to capture energy from red light and transfer it to a metal-containing catalyst.
Researchers at Kobe University have developed a novel power control system for wireless power transfer, enabling precise and efficient energy transfer while reducing circuit components and costs. The system uses resonant frequency tracking and load impedance regulation to minimize power losses.
A new study refutes a long-standing explanation for low energy efficiency in lithium-ion batteries, suggesting that voltage hysteresis is caused by reversible electron transfer between oxygen and transition metal atoms. This phenomenon could be mitigated through manipulation of electron transfer barriers.
Researchers discovered a massive enzyme complex in methanogenic archaea that directly transfers electrons from electron bifurcation to CO2 reduction, increasing efficiency. This finding may lead to sustainable biotechnological development and reduce greenhouse gas emissions.