Articles tagged with Organic Semiconductors
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.
NYU researchers have elucidated a mechanism by which organic molecules attach to semiconductor surfaces, leading to the formation of four principal products. This finding has significant implications for the semiconductor industry, particularly in lithography and surface patterning.
Scientists have developed a novel fabrication technique to study charge transport in organic crystals, resulting in the highest recorded mobility in an organic semiconductor. The method eliminates exposure of fragile surfaces to conventional processing, allowing for pristine crystal samples to be used for device fabrication.
Researchers at University of Utah developed switch-like valves made from organic materials, increasing electrical current flow by 40%. The innovation paves the way for new electronic devices, including computer chips and sensors.
The Cornell team will study the chemistry of inorganic-organic interfaces and develop fabrication methods to overcome difficulties in connecting wires to organic transistors. Their goal is to produce testable devices with useful properties, tackling challenging problems in molecular-based electronics.
A junior scientist has improved the efficiency of organic solar cells and discovered a new type of transistor, enabling flexible circuit manufacture. This breakthrough paves the way for simplification of circuit manufacturing and potential replacement of traditional silicon-based solar cells.
Weizmann Institute scientists developed a new method to incorporate organic molecules into electronic devices, controlling their properties and predicting behavior. The approach overcomes challenges in detecting electrical properties of organic molecules, enabling a feasible way to harness their diversity.
Researchers developed nanometer-sized semiconductor crystals that emit multiple colors of light, enabling the simultaneous measurement of several biological markers. These crystal probes show improved photochemical stability and fluorescence lifetime compared to conventional dye molecules.