Articles tagged with Organic Semiconductors
Researchers at Australian National University have developed a thin and flexible semiconductor material that can convert electricity into light efficiently. The invention opens the door to biodegradable or recyclable electronic devices, reducing e-waste and environmental damage.
A South Korean research team has developed an organic image sensor that captures vivid colors without color filters, increasing R/G/B color selection options. The new-concept image sensor uses a bonding technique between organic semiconductors and transparent electrodes, reducing surface defects and improving reproduction.
Researchers from CFAED at TU Dresden have made a significant discovery in organic semiconductors by uncovering doping. The team simulated and experimentally verified the doping properties of prototypic materials C60 and ZnPc using density of states and Fermi level position analysis.
TU Dresden researchers refined their method for studying organic semiconductors by collaborating with experimentalists to compare simulations to spectroscopy experiments. The team simulated materials like C60 and zinc phthalocyanine, finding good agreement between simulations and experimental observations.
Researchers at the University of Michigan have found a way to enhance the conductivity of organic solar cells, enabling electrons to travel longer distances. This breakthrough could lead to the development of transparent solar cells that can be integrated into windows and other surfaces.
A nanostructured gate dielectric has improved the stability of organic thin-film transistors, allowing them to operate in ambient conditions and enabling potential applications in IoT devices and large flexible displays.
Researchers have developed an electrically pumped organic semiconductor laser that overcomes the challenge of high optical loss and achieves a low threshold current, paving the way for room temperature continuous-wave lasing. The device uses a small molecule doping system and has a peak wavelength of 621.7 nm.
A research team at DGIST has developed a technology to produce environmentally friendly water-borne semiconductor inks using surfactant, reducing the use of toxic organic solvents. The new ink has a relatively flat surface and is expected to be applied in various electronic devices such as transistors and photodiodes.
Researchers develop new method to dope organic semiconductors with n-type donor molecules using a two-step process involving the use of light. This approach enables significant increases in conductivity, making it suitable for applications such as light-emitting diodes and solar cells.
Researchers at Princeton University have developed a new approach to increase the conductivity of organic semiconductors, which could lead to more widespread use of organic electronics. The breakthrough involves using a ruthenium-containing compound that adds electrons to the semiconductor, increasing its conductivity by about a millio...
Researchers at the University of Illinois have developed bio-inspired dynamic templates used to manufacture organic semiconductor materials that produce printable electronics. This technique is also eco-friendly compared with how conventional electronics are made, which gives the researchers the chance to return the favor to nature.
Researchers at KAUST have developed a strategy to create highly fluorescent nanoparticles through molecular design of conjugated polymers. The twisted shape of the molecules produces smaller, brighter particles with tunable spectroscopic properties, opening up new opportunities for bio-imaging and nanomedicine.
Researchers at LMU Munich develop mechanically stable pentacene nanosheets for flexible electronics and biosensors. The new method eliminates the need for solvents and allows for low contact resistance, enabling applications in vital data acquisition, displays, and solar cells
Researchers at KTU created a cheaper and more efficient organic semiconductor material, which has been licensed to Tokyo Chemical Industry. The material has similar characteristics to existing alternatives but is significantly cheaper and easier to produce.
Researchers have discovered a way to overcome the limitations of 2D materials in photovoltaics by adding a plasmonic metasurface, increasing absorption and efficiency. This innovation has huge implications for the future of optoelectronics, potentially revolutionizing the marketability of devices.
Researchers develop a simple processing technique to manufacture single-layer organic polymer solar cells, reducing production costs and enabling widespread adoption. The new method offers a simpler alternative to existing methods and has the potential to transform organic photovoltaics into commercial technology.
Researchers at University of Surrey develop a scalable and low-cost method to fabricate high-quality isolated organic single crystals using spray-printing. This breakthrough enables the production of inexpensive electronics with applications in flexible circuits, medical detectors, sensors, and more.
Researchers at the University of Arizona are developing environmentally sustainable organic semiconductor materials to create longer-lasting OLED displays. The project aims to improve the stability and commercial viability of these materials, which have shown promise in various electronics and technologies.
Researchers at Kumamoto University discovered a new method for drastically changing the color and fluorescence of a compound using oxygen and hydrogen gases. The technique uses energy from gases themselves, producing only water as a byproduct and has potential applications in detection sensors and organic semiconductors.
Researchers discover a derivative of [3]-radialene, a small planar molecule, which can be used to create organic semiconductors. The molecule increases the electrical conductivity of polymers by several tens and hundreds of times, paving the way for new organic solar cells and field-effect transistors.
The EU-funded EXTMOS project develops new organic semiconductor materials and additives for low-cost, flexible, wearable electronic devices. The project aims to accelerate material development through virtual testing and collaboration across multiple disciplines.
Researchers found low reorganization energy when pairing SWCNT semiconductors with fullerene molecules, enabling efficient electron transfer and solar energy harvesting. This discovery suggests nanotube semiconductors could be favorable for photovoltaic applications.
Scientists have successfully converted spin current into electric current in several organic semiconductors, including carbon-60 buckyballs. The 'inverse spin Hall effect' method has potential for use in future electronic devices like batteries and solar cells.
New research finds that overlooked electrical resistance in organic field-effect transistors can lead to overestimates of charge-carrier mobility. The study's findings challenge conventional wisdom and highlight the need for accurate measurement methods to benchmark organic semiconductor performance.
Researchers at the University of Massachusetts Amherst have identified a new molecular property that could lead to more efficient and cost-effective materials for cell phone and laptop displays. The property, directional intrinsic charge separation, was found in crystalline nanowires of an organic semiconductor molecule known as TAT.
Researchers from Moscow State University have grown organic semiconductor crystals with extremely high light-emitting efficiency, promising a bright future for wet-processed organic optoelectronics. The solution-grown crystals outperform vapor-grown ones in luminescence efficiency and quantum yield.
Researchers discovered that guest molecules in host structures of oligothiophene and polythiophene form crystalline phases, controlling electrical conductivity. Precise control over these materials' properties is crucial for successful organic electronics applications.
Researchers have developed a new class of materials for organic electronics, featuring polymeric carbon nitrides with high charge mobility and long lifetimes. These materials show promise for building durable and efficient components for organic electronics applications.
Researchers at the University of Vermont have developed a new method to create an 'electron superhighway' in organic materials, allowing electrons to flow faster and farther. This breakthrough could lead to improved solar cells and flexible electronics with enhanced efficiency.
Researchers have successfully fabricated large-scale field-effect transistors based on solution-grown organic single crystals, achieving superior mobility values. The devices demonstrate high-performance characteristics, including high hole mobility and on-to-off current ratios.
Researchers at UMass Amherst developed a new understanding of strain effects on organic transistor performance, revealing that micro-scale wrinkling can enhance or have no effect on electrical properties. The study contributes to the development of next-generation flexible electronic devices.
Researchers discover cluttered jumble of randomly oriented nanocrystallites at interface, impeding charge-carrier mobility and device performance. A novel microscopy technique reveals the role of solution-processing methods in creating optimal film structures.
Researchers have developed a new model that explains the interface losses between organic semiconductors and metals, enabling the introduction of an insulating layer to improve electrical contact. The model suggests varying energy barriers can lead to lower losses and more efficient organic electronic devices.
Researchers from Stanford and KAUST develop a novel method to study crystallization, allowing for unprecedented control over crystal structures. This breakthrough has far-reaching implications for flexible electronics, circuits, and pharmaceutical manufacturing.
Researchers at the University of Houston and Universite de Montréal have developed a new theoretical model that may improve the efficiency of solar cells. The model explores quantum-mechanical effects in polymeric semiconductors, which could lead to more efficient materials with blends of semiconducting polymers and fullerenes.
Researchers at UC Santa Barbara developed a new method to control crystallization of organic semiconductors, increasing yield to near 100 percent with a low-cost, sugar-based additive. This breakthrough enhances performance, makes technology cheaper and more accessible.
Researchers developed a printing process called FLUENCE that produces semiconductors with strikingly higher quality than conventional methods. The technique enables thin films capable of conducting electricity 10 times more efficiently, paving the way for revolutionary advances in organic electronics.
A research team from the University of Michigan has developed a new class of thermoelectric materials made with organic semiconductors that can convert waste heat into electricity more efficiently. The material, PEDOT:PSS, achieves a figure-of-merit of 0.42, nearly doubling the efficiency of existing organic semiconductors.
Researchers at Wake Forest University have created a novel solution to the challenges of organic semiconductors. The high-performance organic semiconductor 'spray paint' developed by Oana Jurchescu can be applied to large areas without compromising electric conductivity.
Organic semiconductor technology has the potential to create flexible devices like video screens that bend like paper. A $400,000 NSF CAREER Award will support research on the physical structure and electronic properties of single crystals.
Researchers at Rutgers University have demonstrated extremely flexible organic semiconductors that can withstand multiple bending cycles, paving the way for thin-sheet plastic displays or wearable circuitry. The technology has the potential to enable low-cost printed electronics with applications in various industries.
Researchers developed a new spin-polarized organic LED (spin OLED) that can be brighter than regular organic LEDs, producing an orange color. The device uses a unique property called spin to transmit information, enabling the creation of 'spintronic' technology.
Researchers at Berkeley Lab have provided the first experimental determination of the pathways by which electrical charge is transported in organic thin films. By chemically modifying these films, they show improved conductance and pave the way for future organic electronic devices with better performance.
Researchers develop a novel method for fabricating flexible organic semiconductors using a kitchen gadget-inspired approach. The technique improves the interface between the semiconductor and gate insulator, enhancing electrical performance and durability.
Researchers at Stanford have developed a new technique to pack molecules closer together in organic semiconductors, more than doubling the speed of electrical charge movement. This breakthrough enables faster electronics for foldable devices and solar-powered energy harvesting.
Researchers at Stanford University have developed a new method to speed up the development of organic semiconductors for flexible displays. By using predictive analysis, they were able to identify the most promising candidate and perfect its synthesis in just over a year, compared to years previously required.
A new device, developed by Scottish researchers, can reliably detect explosive vapors using a compact silicon-based micro-system. The device measures the change in electron lifetime, less affected by environmental factors, making it more reliable than previous devices.
Researchers at the University of Michigan have developed a new equation that describes the relationship between current and voltage in organic semiconductors, which could enable advanced solar cells, thin OLED displays, and high-efficiency lighting. The equation provides fundamental insights into how charge moves in these materials.
Physicists at Rutgers University have discovered new properties in a material that could result in efficient and inexpensive plastic solar cells. The discovery reveals that energy-carrying particles generated by packets of light can travel much farther in organic semiconductors, increasing the practicality of solar-generated electricity.
Bionanotechnology at Florida State University has significant applications in medicine, manufacturing, and more. The institution's cutting-edge research utilizes Dip-Pen Nanolithography to create biometamaterials with potential for diagnosis and analysis.
A new plastic semiconductor technology allows for the transportation of both positive and negative charges, enabling simpler circuit construction and potentially revolutionizing the field of organic electronics. This breakthrough could lead to the development of cheaper, thinner, and more flexible electronic devices.
A team of chemists at Johns Hopkins University has developed water-soluble electronic materials that spontaneously assemble into 'wires' with potential for biomedical applications. The researchers are exploring the use of these materials to guide electrical current and regulate cell-to-cell communication.
Researchers have developed a new class of polymer-based semiconductors that distribute themselves evenly at the top and bottom of the film, enabling large-scale manufacturing. This breakthrough could lead to practical, high-performance electronic devices such as flexible displays and photovoltaic cells.
Researchers successfully controlled an electrical current using the 'spin' within electrons, a step toward building plastic semiconductor switches. However, highly efficient organic LEDs may only convert up to 25 percent of electricity into light, contrary to earlier estimates.
A simple surface treatment technique induces self-assembly of molecular crystals, improving performance and providing electrical isolation. This method enables the mass production of large arrays of organic electronic transistors on polymer sheets, opening up possibilities for flexible displays, intelligent paper, and biosensor arrays.
The new devices have electron-mobility values higher than amorphous silicon, low threshold voltages, and high operational stability. They can be produced at room temperature, making them compatible with flexible plastic substrates.
University of Arizona physicists have discovered 'super crystals' in certain organic semiconducting solids, which could create splashes of current and exhibit unique electrical properties. This discovery was made possible by analyzing experimental data from a previous study on a mysterious solid-state phase in a semiconductor.
The Cornell team created a diode using organic semiconductors with free ions, allowing for efficient light emission and current flow. This technology has the potential to create low-cost, flexible solar cells and displays on cloth or paper.
Chromophores have been engineered to exhibit fast electron transfer, opening up new possibilities for nanoscale electronics. By linking long chromophores with short linkers, researchers can create materials that function on the nanoscale.
Researchers from NIST and UC Berkeley use NEXAFS spectroscopy to track chemical reactions, molecular reordering, and defect formation in organic electronic devices. The study reveals the importance of film structure and composition on charge carrier movement, offering a new tool for improving device performance.