Articles tagged with Solid State Chemistry
Researchers at Kyoto University have determined the magnitude of spin-orbit interaction in acceptor-bound excitons in a semiconductor. The study revealed two triplets separated by a spin-orbit splitting of 14.3 meV, supporting the hypothesis that two positively charged holes are more strongly bound than an electron-and-hole pair.
Researchers at the University of Liverpool have discovered a new solid material that rapidly conducts lithium ions, replacing liquid electrolytes in current battery technology. The discovery provides a platform for optimising chemistry to enhance material properties.
Researchers at Ritsumeikan University enhance solid-state phosphorescence in organoplatinum(II) complexes by 75 times through anion binding and ion-pairing with countercations. The strategy isolates π-electronic molecules, improving luminescent properties and extending emission lifetime.
Scientists develop a new design strategy for molecular-sized gears in crystals, allowing for controllable shifting of motion. The creation of molecular gears could lead to the development of versatile, new materials with unique properties.
Living organisms produce minerals through a complex process involving pre-nucleation clusters, mobile water molecules, and dissolved hydroxide ions. The study provides a structural model for amorphous calcium carbonate and sheds light on the conductivity of ACC particles.
Researchers have developed a new solid state battery design that can be charged and discharged over 6,000 times, with the ability to recharge in just 10 minutes. The breakthrough uses micron-sized silicon particles to constrict the lithiation reaction and facilitate homogeneous plating of lithium metal.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
Researchers at Politecnico di Milano have designed a hydrogel with specific characteristics using supramolecular chemistry and crystallography. The study showed that the interactions between an amino acid and bioactive molecules can be identical in both solid and aqueous states.
Researchers have discovered a root cause of Barth syndrome, a deadly metabolic illness, by analyzing faulty cardiolipin molecules and their interaction with cytochrome c. The study used solid-state NMR technology to demonstrate the structural changes that lead to toxic oxidation in mitochondrial membranes.
Researchers have successfully observed the operating principle of promoters in a catalytic reaction in real-time. Using high-tech microscopy methods, they visualized individual La atoms' role in hydrogen oxidation. The study revealed that two surface areas of the catalyst act as pacemakers, controlled by promoter lanthanum.
Experts have developed a reliable method to predict the free energy of crystals, addressing the challenge of understanding physical properties and environmental factors. The new approach uses high-performance computing and has been successfully applied to seven pharmaceutical companies.
Researchers have developed a novel chloride-based solid electrolyte with exceptional ionic conductivity, addressing material limitations that hindered previous attempts. This breakthrough is expected to pave the way for commercialization of solid-state batteries, promising improved affordability and safety.
Researchers developed a sinter-free method for efficient, low-temperature synthesis of lithium ceramic, enabling the creation of solid-state batteries with higher power density and lower production costs. This breakthrough could accelerate the transition to electric vehicles by reducing the reliance on conventional lithium-ion batteries.
Researchers have developed a metal nanocluster-based separator for lithium-sulfur batteries, accelerating electrochemical kinetics and improving capacity and cycling stability. The technology has the potential to increase the adoption of sustainable energy storage systems, including electric vehicles and renewable energy.
Researchers have developed a novel supramolecular memristor based on bistable [2]catenanes, which can achieve high-density storage and non-volatile memory capabilities. The memristors demonstrated at least 1000 erase-read-write cycles and switching times comparable to commercial inorganic memristors.
A team at Hokkaido University has set a size record for dynamic motion in crystals, demonstrating the largest molecular rotor operational in the solid-state. The rotors consist of a central rotating molecule connected to stationary stator molecules, and can rotate at frequencies of 100–400 kHz.
Researchers have developed a new semiconducting material called multielement ink that can be processed at low temperatures, paving the way for more sustainable semiconductor industry. The breakthrough enables faster and lower-energy production of semiconductors, which could significantly reduce carbon emissions.
Researchers developed a novel solid-state mechanochemical reaction to synthesize FCMs from PTFE and graphite, producing materials with enhanced storage capacity and electrochemical stability. The new method bypasses toxic reagents and offers a safer alternative for practical applications.
Scientists have created a new class of solid-state phase change materials using sugar alcohols, which can store-and-release heat more efficiently. By confining these compounds in covalent organic framework crystals, the researchers were able to suppress supercooling and retrieve thermal energy at higher temperatures.
Researchers have demonstrated photochemical upconversion in a solid state, enabling potential innovations in renewable energy and water purification. The breakthrough could also enable targeted laser treatments for tumors and medical applications.
Researchers at Tohoku University developed a framework to predict how the structure of solid-state electrolytes affects battery performance. The framework uses a genetic algorithm and computational modeling to accurately predict electrolyte conductivity and identify key factors that affect performance.
Researchers propose surface modification and novel structural designs to stabilize Li-rich cathodes in solid-state batteries. The review discusses potential solutions for interfacial ion and electron transfer issues.
Researchers create a nanocapsulation strategy to solubilize insoluble aromatic polymers in water, enhancing their processing and development. The approach uses bent aromatic amphiphiles to form micelle-like nanocapsules that encapsulate hydrophobic molecules.
Researchers at Georgia Institute of Technology have developed a new type of battery using aluminum foil that shows promising performance for safer, cheaper, and more powerful batteries. The batteries have higher energy density and greater stability than conventional lithium-ion batteries.
Researchers from Tokyo Tech have developed a new strategy to produce solid electrolytes with enhanced lithium-ion conductivity, preserving their superionic conduction pathways. The proposed design rule enables the synthesis of high-entropy active materials for millimeter-thick battery electrodes.
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Researchers at Waseda University have developed a novel, completely solid, rechargeable air battery that uses a benzoquinone-based negative electrode and solid Nafion polymer electrolyte. The battery exhibits high performance and close to maximum capacity, overcoming metal-based battery limitations and liquid electrolyte safety concerns.
Scientists at TU Wien use microscopy techniques to observe chemical reactions on catalysts, revealing a wealth of detail that challenges previous understanding. The study shows that even simple catalytic systems are more complex than expected, with different scenarios prevailing on the micrometer scale.
Researchers at Duke University have discovered a class of compounds called argyrodites that could lead to the development of safer and more efficient solid-state batteries. The materials' unique crystalline structures allow for fast ion conduction, making them promising candidates for energy storage applications.
Researchers developed a high-performance 2D pseudocapacitive multi-electron reaction lithium storage material, exhibiting high capacity and ultrafast charging capabilities. The material showed improved electronic and ionic conductivity, reducing polarization and increasing overall energy density.
A team of researchers has uncovered nanoscale changes in solid-state batteries that could improve battery performance. They found that high-frequency vibrations at the interface make it harder for lithium ions to move, and discovered an intrinsic barrier to ion motion.
A team of researchers used synchrotron XRD to investigate the topochemical solid-gas reduction mechanisms in a layered perovskite. The study found that surface treatment can manipulate reaction processes, and the technique can identify rate-determining steps for optimizing material design.
Researchers have found a material, palladium, that is optimally suited for creating superconductors with high transition temperatures. This discovery has the potential to revolutionize electricity generation and transportation by enabling materials to conduct electricity without loss at normal room temperature and atmospheric pressure.
Researchers at Nagoya University have successfully synthesized barium titanate nanosheets with a thickness of 1.8 nanometers, the thinnest freestanding film ever created with ferroelectric properties. This achievement paves the way for the development of smaller and more efficient devices such as memories and capacitors.
Scientists at Tokyo University of Science created a fracture-resistant alloy through heat-treatment, exhibiting improved elastocaloric properties and resistance to cyclical loads. The Cu-Zn-Al alloy showed significant increases in grain size, leading to enhanced cooling capabilities and paving the way for innovative refrigeration systems.
Researchers at KAUST have developed a sustainable method for producing butadiene, a key component of synthetic rubber, using the Lebedev process and modernized catalysts. The new approach eliminates the need for fossil reserves and reduces environmental impact.
A team led by Professor Yoshihiro Yamazaki from Kyushu University discovered the chemical innerworkings of a perovskite-based electrolyte developed for solid oxide fuel cells. By combining synchrotron radiation analysis, large-scale simulations, machine learning, and thermogravimetric analysis, they found that protons are introduced at...
Researchers at Ruhr-University Bochum develop a new process using ball mills and light to produce chemical compounds without solvents. This method reduces reaction times by up to 56% and uses 98% less solvent than conventional methods.
Chemists have developed a high-performance catalyst specifically designed for solid-state mechanochemical synthesis, achieving efficient reactivity at near room temperature. The approach uses a metal catalyst attached to a long polymer molecule, which traps the catalyst in a fluid-phase, enabling fast and energy-efficient reactions.
Researchers at TU Wien have detected clear indications of chaos in chemical reactions on nanometer-scale rhodium crystals, a phenomenon previously unseen in atomic scale systems. The coupling behavior can be controlled by changing the hydrogen concentration, leading to a transition from ordered to chaotic behavior.
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.
A research team at Hokkaido University has created a stable and effective solid-state electrochemical thermal transistor that can control heat flow with electrical signals. The device outperforms current liquid-state thermal transistors in terms of stability and efficiency.
A new solid-state crystal growth (SSCG) technique has been developed to manipulate materials' properties by controlling crystallographic orientation. This method allows for large single crystals with desired orientations to be grown easily and inexpensively.
A new solid film can perform visible-to-UV photon upconversion for weak incident light while remaining photostable in air. The material has an ultralow excitation threshold and a high quantum yield, making it suitable for various applications.
A team of researchers has identified the key stumbling block of a common solid-state hydrogen material, MgH2. The study, published in Journal of Materials Chemistry A, reveals that a 'burst effect' during dehydrogenation leads to sluggish kinetics, hindering commercial application.
Researchers developed a one-dimensional suspended high-contrast grating structure to enable directional lasing with high energy efficiency. The device can adjust the emission angle over a wide range, from -40° to +40°, making it suitable for solid-state LiDAR applications.
Scientists have developed a positive electrode material that maintains its volume during repeated charge/discharge cycles, ideal for solid-state EV batteries. This breakthrough offers significant improvements in durability and charging speed, potentially reducing battery costs and enabling faster charging times.
Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...
Scientists at Tokyo University of Science developed an 'extended Landau free energy model' to analyze complex interactions in nanomagnetic devices, enabling causal analysis and visualization. The model proposed optimal structures for nano-devices with low power consumption.
Researchers at TU Wien have developed a new method for creating high-quality contacts between metal and semiconductor materials, enabling faster and more efficient computer chips. The technology uses crystalline aluminium and a sophisticated silicon-germanium layer system to overcome the problem of oxygen contamination.
Researchers developed an isothermal chemical vapor transport (ICVT) method for growing high-quality monocrystals without temperature gradients. This technique simplifies the growth process and produces crystals with excellent crystallographic quality.
Researchers have successfully prepared highly dense superconducting bulk magnesium diboride with a high current density using an unconventional spark plasma sintering method. The material exhibits excellent superconducting properties, including a high critical current density of up to 6.75 x 10^5 ampere/cm^2 at -253°C.
A new category of shape-memory materials made of ceramic, rather than metal, has been discovered by MIT researchers. The ceramic material can actuate without accumulating damage and withstand much higher temperatures than existing metals, making it suitable for applications such as actuators in jet engines.
A team of University of Missouri researchers is working to understand why solid-state lithium-ion batteries struggle with performance issues. They will use a specialized electron microscope and thin film polymer coatings to study the interface between the battery cathode and electrolyte, with the goal of developing an engineered interf...
Scientists develop a colloidal synthesis method for alkaline earth chalcogenides, allowing control over nanocrystal size and surface chemistry. This enables the creation of more sustainable and environmentally friendly materials with potential applications in solar panels, LEDs, and bioimaging.
A research team from Dalian Institute of Chemical Physics has revealed the existence of reactive gallium-hydride species on the surface of gallium oxide using solid-state nuclear magnetic resonance. The discovery provides comprehensive information on the structural configuration and formation mechanism of these special M-H species.
The TU Wien team has created a catalyst that can convert CO2 and methane into synthesis gas without the formation of carbon nanotubes. This approach, called dry reforming, has the potential to convert climate-damaging greenhouse gases into valuable products.
Brazilian researchers used computer simulations to investigate the superconducting behavior of a dimolybdenum nitride monolayer, finding that it became superconductive at relatively high temperatures and showed strong correlation with strain applied.
Researchers at Japan Advanced Institute of Science and Technology have developed a novel anode material consisting of black glasses grafted silicon microparticles, which shows great promise in enhancing lithium-ion battery performance and energy storage. The material exhibits high lithium diffusion ability, reduced internal resistance,...
Researchers have created a cheap and energy-efficient way to capture carbon dioxide from smokestacks using porous melamine material. The process is simple to make and requires primarily off-the-shelf melamine powder, making it a promising solution for scaling down carbon emissions from vehicle exhaust or other movable sources.