Researchers have developed instruments for single-molecule electrochemistry and spectroscopy, aiming to design and synthesize materials with chemistry, physics, and engineering at the atomic scale. They discuss challenges and opportunities in functionalizing molecular junctions and forming stable molecular electronic devices.
Columbia researchers built a 2.6nm-long single molecule wire that exhibits an unusual increase in conductance as the wire length increases and has quasi-metallic properties. The breakthrough overcomes the exponential-decay rule, enabling electronic devices to become even tinier.
Researchers have developed a new measurement method in molecular electronics that enables the exchange of molecules at will. This allows for the measurement of conductivities of many different molecules in succession. The method has potential applications in biosensing and advanced molecular computing.
A cross-disciplinary team at the University of Illinois used automated synthesis to discover a new mechanism for high conductance in organic electronics applications. The technology rapidly scanned through a library of molecules and uncovered unexpectedly high conductance, dependent on concentration and surface adsorption.
Researchers developed a full-function bioelectronic photocell using genetically modified proteins attached to a carbon nanotube. The system can change its electronic properties in response to light, operating as a spotlight or memory cell. This discovery opens the door to environmentally friendly electronic elements, memory devices, an...
Scientists at the Beckman Institute designed an organic complex to study how electrons flow between molecules. Their findings hold potential for developing efficient organic electronic devices such as batteries and energy storage systems.
A team of scientists successfully investigated the electronic structure of tautomeric mixtures using inelastic X-ray scattering (RIXS) at BESSY II. They can now experimentally separate the signal of each individual molecule, providing detailed insight into their functionality and chemical properties.
A novel diagnostic platform has been developed for rapid, low-cost and decentralized patient testing for infectious diseases like Zika. The platform achieved a diagnostic accuracy of 98.5% with 268 patient samples collected in Recife, Brazil.
A study by Arizona State University shows that certain proteins can act as efficient electrical conductors, outperforming DNA-based nanowires in conductance. The protein nanowires display better performance over long distances, enabling potential applications for medical sensing and diagnostics.
Researchers at NIST have revived and improved the charge pumping method to detect single defects as small as one-tenth of a billionth of a meter. The new technique can indicate where defects are located in transistors, enabling accurate assessment of their impact on performance.
Researchers have developed conducting systems that control electron spin and transmit a spin current over long distances without ultra-cold temperatures. This breakthrough enables the creation of new technologies for encoding and transmitting information at room temperature.
Roswell Biotechnologies has developed a molecular electronics sensor on a semiconductor chip, enabling real-time detection of single molecules for diverse applications including drug discovery, diagnostics, and DNA sequencing. The platform offers unlimited scalability in sensor pixel density and high resolution measurements.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
Researchers from Tokyo Tech have developed a long DNA molecule-based junction that shows remarkable conductivity and self-restoring ability under electrical failure. The 'zipper' configuration allows for high electron transport and reveals delocalized ς-electrons moving freely within the molecule.
Researchers designed a sub-nanometer molecular rectifier utilizing destructive quantum interference and asymmetric supramolecular interaction, overcoming electronic functionality challenges. The device achieves rectification behavior at the sub-nanometer scale, enabling potential miniaturization of electronic devices.
Scientists at UChicago have invented a new thermal insulator with unusual properties. The material, made using an innovative technique, is extremely good at containing heat while also allowing it to be moved in different directions.
The study explores chromium oxides, magnetic compounds used in old tapes, and finds that adding oxygen atoms increases metallic properties. This allows for precise control over electrical conductance, enabling the design of molecular-sized components with vast processing and storage capacities.
The new molecular device has exceptional memory reconfigurability, allowing for enhanced computational power and speed. It can be reconfigured using voltage to embed different computational tasks, making it a potential game-changer in edge computing and applications with limited power resources.
Scientists studied perylene diimide derivatives to understand their electrical behavior, finding that different molecular vibrations affect the speed of electrons. The breakthrough could lead to more efficient electronic materials, including applications for computers and energy storage.
Researchers have discovered a new type of molecular wire with good conductivity qualities, paving the way for the development of smaller and more powerful computers. The study's findings suggest that molecules could be used to create electronic devices in the future, overcoming current limitations.
A team of scientists at Lancaster University has discovered a single molecule that can act like a transistor and store binary information. The molecule, which is around five square nanometres in size, could potentially offer information density of 250 terabits per square inch.
Researchers have discovered that single molecular nanowires outperform bundles in transporting energy with minimal losses. Coherence, which enables delocalized energy movement across multiple molecules, is lost in bundled fibers due to strain, hindering efficient energy transfer.
Scientists at the University of Groningen have created a new self-assembled monolayer using buckyballs functionalized with ethylene glycol, which remains chemically unchanged for several weeks when exposed to air. This makes it easier to use in research and devices, and could lead to breakthroughs in molecular electronics.
French researchers combine optical and electronic microscopy to observe axonal rings at the molecular scale. They discover that these rings are formed by long braided actin filaments, providing new understanding of axonal architecture.
Molecular electronic devices use molecules to build ordered systems with quantum effects, offering advantages like small volume, easy synthesis, and high efficiency. However, research is still theoretical, and device manufacturing reliability, repeatability, and cost need improvement.
Researchers investigated the transition from tunneling leakage current to molecular tunneling in single-molecule junctions, finding optimal nanogap distances for proper function. The study suggests that future single-molecule electronics require precise control over molecular length and gap size.
A research team has found a way to understand and manipulate charge transfers in molecular junctions, enabling the creation of predictable molecular diodes. This breakthrough has significant implications for the field of chemistry and could lead to novel electronics applications.
Researchers at Karlsruhe Institute of Technology have created a molecular toggle switch that can be operated as often as desired without physical degradation. The switch is made from individual molecules and measures just a nanometer in size, enabling future circuits to be integrated into spaces smaller by up to 100 times.
An international team has discovered an elegant way to decouple organic nanosheets grown on metal surfaces. By exposing the networks to iodine vapour, they reduced the adhesion between the network and the metal, allowing the molecules to behave almost as if they were free-standing.
ICFO researchers achieve isolated attosecond pulses in the soft X-ray water window, covering multiple absorption edges simultaneously. This allows site-specific probing of electron correlation and many-body effects in organic solar cells and molecular electronics.
Researchers created a world-record small diode using DNA molecules, opening doors to new electronic devices and potentially solving Moore's Law limitations. The breakthrough enables the development of molecular electronics, which may revolutionize computing hardware.
Researchers at Tohoku University successfully demonstrated electronic connection between graphene nanoribbons by molecular assembly, showing that GNR electronic properties are directly extended through the interconnected structures. This breakthrough enables the development of high-performance, low-power-consumption electronics based o...
Dr. Yu Zhu, a polymer scientist at the University of Akron, has received a $538,679 NSF CAREER Award to study new types of conjugated polymers with fused sites enabling hydrogen bonding. The project aims to design high-performance polymer electronics for flexible and economical electronic materials.
Researchers at the University of Copenhagen have developed a method for self-assembling molecular electronics using soap, creating ordered molecular structures that can be used to make solar cells and transistors. The breakthrough is a significant step forward in the development of environmentally sustainable and flexible electronics.
A research team led by Tohoku University has discovered a new family of molecular superconductors that achieve the highest known critical temperature. The discovery, published in Science Advances, reveals a new state of matter - the Jahn-Teller metal - where balancing molecular and itinerant character leads to maximum Tc.
A team of international researchers has created 'molecular tadpoles' with unique properties, allowing for improved detergent performance and potential applications in flexible electronics. These molecules are formed by modifying 'bucky balls' with long chains, enabling them to assemble into extended structures.
Researchers developed a new technique to study photochemical reactions, allowing for simultaneous monitoring of electronic and molecular dynamics. This breakthrough could answer questions about photochemical and photobiological systems, enabling the development of more efficient solar energy systems and nanomaterials.
Researchers at National University of Singapore create molecular electronic devices that can operate at hundreds of terahertz frequencies, ten times faster than current microprocessors. The breakthrough uses quantum plasmonic tunnelling and has potential applications in ultra-fast computers and single molecule detectors.
Sandia National Laboratories researchers have devised a novel technique to increase the electrical conductivity of metal-organic framework (MOF) materials by over six orders of magnitude. This breakthrough has significant implications for the development of new electronics, sensors, energy conversion and storage technologies.
Researchers have successfully visualized relay reactions at the atomic scale using a scanning tunneling microscope. This breakthrough allows for controlled transfer of hydrogen atoms along molecular chains, potentially enabling new information exchange methods in future electronics.
Scientists have created a simple model that can predict the patterns observed in molecular self-organization on surfaces. By combining statistical physics and detailed simulations with images obtained by scanning tunnelling microscopy (STM), researchers were able to formulate a model that can generate a wide variety of patterns, reprod...
Researchers at Virginia Commonwealth University discovered a stable cluster of atoms that can mimic different elements of the periodic table, exhibiting strong magnetic properties. The discovery has potential applications in creating faster computers, larger memory storage, and molecular electronic devices.
Researchers at NIST developed a new method to sort carbon nanotubes by length using high-speed centrifuges. This technique shows promise for scaling up production of high-quality nanotubes with specific lengths, crucial for various applications in electronics, medicine, and displays.
Researchers discovered a new technique to visualize the electronic structure of pigment-protein complexes, enabling better understanding of how plants transfer energy. This breakthrough could lead to designing future experiments to study individual energy relaxation pathways in photosynthesis.
Researchers at NIST demonstrate assembly of a single layer of organic molecules on a silicon crystal substrate compatible with CMOS manufacturing technology. The team builds a working molecular electronic device and verifies its functionality, paving the way for hybrid CMOS-molecular devices.
Researchers developed a DNA-guided method for controlling nanoparticle assembly, enabling precise manipulation of materials. Scientists also made progress in understanding the 'pseudogap' phenomenon in high-temperature superconductors, which could lead to improved superconductor design.
Researchers successfully formed a single chemical bond on a single molecule, then broke it without disturbing adjacent atoms. They created a molecular-sized electronic switch with reversibility achieved.
A team of researchers has developed a new theory explaining how electrons interact with molecules, revealing unexpected transport channels. This breakthrough could lead to more efficient molecular transmission and the development of molecular switches.
Researchers at Northwestern University have developed a custom-built scanning tunneling microscope to image individual organic molecules on silicon, refining design constraints for molecular electronic devices. The study has also provided insight into surface chemistry, with potential applications in sensing, catalysis, and lubrication.
Scientists have made a breakthrough in molecular electronics by controlling the conductivity of molecules on a single atom. This innovation allows for the creation of ultra-small and efficient devices, requiring less energy to power and producing less heat than conventional transistors.
Researchers discovered three distinct scattering patterns as alky-thiol density increased, indicating different degrees of molecular order. The tilted phase exhibits crystalline patterns despite the disordered liquid nature of the underlying mercury.
Researchers have reported rapid progress in molecular electronics, with logic gates, memory circuits, and rectifiers demonstrated to work. The UCLA/Caltech team has achieved significant advancements in harnessing molecule-based switches for electronic circuitry.
A molecular resonant tunneling device has been successfully realized, offering improved efficiency and reduced power consumption in computer architectures. The device, which works at room temperature and on silicon, holds promise for future applications in high-sensitivity sensors.
Scientists at Rice University develop a new technology that uses disordered nanowires and organic molecules to create functional memory devices. These 'NanoCells' can store information for more than a week without refreshment, far longer than traditional DRAM.
Researchers at Arizona State University have developed a method to measure the electrical resistance of individual molecules, overcoming previous limitations. This breakthrough could lead to the creation of faster and more efficient electronic devices.
Researchers at Washington University in St. Louis have successfully made boron nanowhiskers, the world's first crystalline nanowires, exhibiting semiconducting behavior and potential as key materials in nanoelectronics. The discovery could lead to the development of more reliable conductors, solving limitations faced by carbon nanotubes.
Di Ventra's award will support his work in computer simulations and theoretical models to advance the development of molecular electronics. His research aims to understand electron transport properties at the atomic level, enabling the creation of faster and more efficient electronic devices.
Researchers at Virginia Tech are exploring the development of new sensor approaches using nanotechnology, aiming to detect DNA and other biological compounds. They also aim to improve computational capacity by understanding electronic transport properties in molecular wires.
Researchers have discovered that a T arrangement in molecular electronic switches enables efficient communication between distant molecules, facilitating the on and off states of the switch. This finding broadens design possibilities for molecular photonics, solar energy conversion, and nanotechnology.
Two Cornell University researchers are working on separate projects to develop new devices that could lead to huge increases in data storage and processing speed. George Malliaras is investigating the electrical properties of individual molecules, while Robert Buhrman is studying spin manipulation and quantum manipulation.