Sentences with phrase «organic semiconductors»
"Organic semiconductors" refers to a type of material that conducts electricity, but is made up of carbon-based molecules instead of traditional inorganic materials like silicon. These materials are used in electronic devices such as flexible displays, sensors, and solar cells. Full definition
Categories of organic semiconductor with examples and a picture of a Plastic Logic printed organic transistor
idtechex.com
This revealed that the charge mobility attains values similar to those in conventional organic semiconductor materials.
Conjugated polymers are also often employed as organic semiconductors in such diodes.
Aspuru - Guzik started the screening process by identifying a known organic semiconductor with desirable properties.
Natelson's research involves complicated electron flow through single - molecule transistors, as well as organic semiconductors — carbon - based materials that are intended to replace silicon transistors in some electronic devices.
Fujifilm Corporation and nano - electronics research institute imec have demonstrated full - color organic light - emitting diodes (OLED) by using their jointly - developed photoresist technology for organic semiconductors, a technology...
Currently, there are many different approaches describing the interface between organic semiconductor materials and metallic contacts.
The group, co-led by Dr. Ingo Salzmann and Prof. Norbert Koch, had previously experimented with and already modelled other systems to learn how doping organic semiconductors affects their electronic structure and thus their conductivity.
A cheaper approach involves using organic semiconductors — basically, plastics that conduct electricity — to make solar cells, Chan says.
«To us it was important to develop an easily scalable technology platform for manufacturing large - area printed and flexible electronics based on organic semiconductors and nanomaterials,» Dr. Abdellah says.
For years engineers the world over have been trying to use inexpensive, carbon - rich molecules and plastics to create organic semiconductors capable of performing electronic operations at something approaching the speed of costlier technologies based on silicon.
«Carbon nitrides need not fear the competition with conventional organic semiconductor materials.
The solar cells containing organic semiconductors created at KTU were constructed and tested by physicists at Lausanne.
The latest molecule is one of the best organic semiconductors yet discovered, in terms of its ability to transport electric charge.
An organic LED consists of wafer - thin organic semiconductor layers positioned between two electrodes.
The promising approach to control the luminescent properties of organic semiconductor crystals is their doping by highly luminescent molecules.
Last year, however, saw the advent of a new breed of high - current organic semiconductors.
Even at this stage, off - center spin coating produced transistors with a range of speeds much faster than those of previous organic semiconductors and comparable to the performance of the polysilicon materials used in today's high - end electronics.
The isotopes were embedded in an inexpensive plastic polymer or organic semiconductor named MEH - PPV, an OLED that glows orange when current flows.
While conventional LEDs use silicon semiconductors, OLEDs in some of the latest cell phones and TVs are made with «pi - conjugated polymers,» which are plastic - like, organic semiconductors made of a chain of repeating molecular units.
There are only a few organic semiconductors in the world affording such a high solar cell efficiency.
These are based on electrically conducting organic semiconductors that emit very bright light while energized.
«It is important to understand the fundamental processes involved in the molecular electrical doping of organic semiconductors more precisely,» explains Salzmann, continuing: «If we want to successfully employ these kinds of materials in applications, we need to be able to control their electronic properties just as precisely as we customarily do today with inorganic semiconductors.»
Oligothiophene (4T) and polythiophene (P3HT), two typical organic semiconductors, can be doped with a second type of molecule such as a strong electron acceptor (F4TCNQ) for example to control the electrical conductivity.
The energy distribution of the electronic states in organic semiconductors determines the minimum energy barrier the charge carriers have to overcome in transitioning from or into the metal.
On the example of pentacene, a common organic semiconductor, Oehzelt has quantitatively checked the model's predictions for interface losses.
Therefore, organic dyes are promising lightweight materials for application as e.g. organic semiconductors, but also in for instance LCD displays or solar cells.
Kaveh - Baghbadorani has been exploring the development of hybrid metal / organic semiconductor nanowires that work as an energy pump to compensate for energy losses in the metal coating.
Our a-Si, low - temperature polysilicon (LTPS), and organic semiconductor TFTs — which have the advantage of low - temperature deposition and low - elastic modulus — have also been applied to various radiation detectors, including x-ray, ultrasound, and neutron imaging.
A shear flow processing method has been developed to control the surface attachment and orientation of DNA molecules to use for DNA - organic semiconductor molecular building blocks.
With an entire supply chain in place, OTFT manufacturing has now reached a tipping point in performance with leading organic semiconductor (OSC) materials suppliers, including Merck whose OSC material was used in the demonstration, now showing mobilities required to drive OLED displays.
Mike says that today's commercially available organic semiconductors have a mobility performance in the range of 1 - 5 cm2 / Vs, which is enough to drive a wide range of AMOLED displays.
«We have succeeded in integrating organic semiconductors into various innovative products and working with partners outside Europe, who are also leaders in this field,» explains Dr. Dominik Gronarz, CEO of the OES innovation group.
PARC has developed jet - printing processes for organic semiconductors (including all - printed TFT arrays, pictured) and conductors — resulting in novel functionality and reduced manufacturing costs.
«Electrostatics do the trick: Simple model describes what happens between organic semiconductors and metals.»
The IPS demonstrate combines the OFTF array with Merck's LC and organic semiconductor materials.
In the paper published in Nature Energy, the researchers described how they used organic semiconductors — contorted hexabenzocoronene (cHBC) derivatives — for constructing the solar cells.
As a result, devices based on organic semiconductors are projected to be cheaper since they do not require high temperatures, clean rooms and expensive processing steps like silicon does.»
Both layers in the new smartwatch screen contain organic semiconductors.
Often building on screen - used props, special effects castoffs and other materials integral to cinematic production, her protean objects function as organic semiconductors that mediate encounters between spectator and object, fictional histories and lived experiences.
The technique could be used as a detection sensor for hydrogen or oxygen gases as well as for property controls of organic semiconductors and organic light emitting diodes (OLEDs).
For example, organic semiconductors could be made to change their electrical properties, and OLEDs could show on / off switching characteristics by using the energy from gas that is supplied to it.
Creating neuro - prosthetic devices such as retinal implants is tricky because biological tissue doesn't mix well with electronics — but it might mix with organic semiconductors.
These contributions «represent a significant step forward in structure - function relationships in organic semiconductors, critical for the development of the next generation of flexible electronic devices,» the authors point out.
«These materials are quantum hybrid materials, possessing physical properties of both organic semiconductors and inorganic semiconducting quantum wells.
Their results for the organic semiconductors 4T and P3HT showed that the guest molecules — quite contrary to the expectations — are not uniformly incorporated in the host lattice at all.
Chemists at The University of Texas at Arlington have been the first to demonstrate that an organic semiconductor polymer called polyaniline is a promising photocathode material for the conversion of carbon dioxide into alcohol fuels without the need for a co-catalyst.