Sentences with phrase «organic semiconductor tfts»

To examine the role that boundary alignment plays, the paper's lead author, graduate student Jonathan Rivnay, grew crystals of an organic semiconductor called PDI8 - CN2, synthesized at Northwestern University and Polyera Corp., an organic electronics company, using a process that ensures consistent alignment from crystal to crystal in a particular direction.

This is not the first flexible ePaper display Sony's showcased, the company prototyping a while ago 4.8 - inch e-paper device with organic TFTs (thin - film transistors) that use the «PXX,» an organic semiconductor material stable to oxygen, moisture and light.

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.

An organic LED consists of wafer - thin organic semiconductor layers positioned between two electrodes.

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.

On the example of pentacene, a common organic semiconductor, Oehzelt has quantitatively checked the model's predictions for interface losses.

Currently, there are many different approaches describing the interface between organic semiconductor materials and metallic contacts.

These somewhat contradictory theories, none of which is universally valid for all cases, have now been unified by Oehzelt and developed into a single coherent model based on the electrostatic potential caused by the charge carriers in the metal and the organic semiconductor.

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.

Aspuru - Guzik started the screening process by identifying a known organic semiconductor with desirable properties.

«Carbon nitrides need not fear the competition with conventional organic semiconductor materials.

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...

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).

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.

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.

In the paper published in Nature Energy, the researchers described how they used organic semiconductors — contorted hexabenzocoronene (cHBC) derivatives — for constructing the solar cells.

Last year, however, saw the advent of a new breed of high - current organic semiconductors.

«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.

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.

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.

The latest molecule is one of the best organic semiconductors yet discovered, in terms of its ability to transport electric charge.

The solar cells containing organic semiconductors created at KTU were constructed and tested by physicists at Lausanne.

There are only a few organic semiconductors in the world affording such a high solar cell efficiency.

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.»

These are based on electrically conducting organic semiconductors that emit very bright light while energized.

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.

«Doped organic semiconductors explored.»

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.

«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.»

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.

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.

«Electrostatics do the trick: Simple model describes what happens between organic semiconductors and metals.»

Therefore, organic dyes are promising lightweight materials for application as e.g. organic semiconductors, but also in for instance LCD displays or solar cells.

Among these materials, organic semiconductors have received much attention for use in next - generation OEDs because of the potential for low - cost and large - area fabrication using solution processing.

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.

HCharge transport in organic semiconductors: influence of processing and doping (SEMICONDUCTORS AND NANODEVICES)

Both layers in the new smartwatch screen contain organic semiconductors.

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.

The success of this effort relies on new or improved processing techniques and materials for plastic electronics, including methods for (i) rubber stamping (microcontact printing) high - resolution (≈ 1 μm) circuits with low levels of defects and good registration over large areas, (ii) achieving low leakage with thin dielectrics deposited onto surfaces with relief, (iii) constructing high - performance organic transistors with bottom contact geometries, (iv) encapsulating these transistors, (v) depositing, in a repeatable way, organic semiconductors with uniform electrical characteristics over large areas, and (vi) low - temperature (≈ 100 °C) annealing to increase the on / off ratios of the transistors and to improve the uniformity of their characteristics.

It shows, in particular, how rubber - stamped circuit elements can be combined with organic semiconductors to form active matrix backplanes for large sheets of electronic paper.

«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.

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.

A cheaper approach involves using organic semiconductors — basically, plastics that conduct electricity — to make solar cells, Chan says.

Not exact matches

To construct the solar cell, the semiconductor molecules are deposited as thin films on glass with the same production methods used by organic light - emitting diode manufacturers.

Neon is well known for being the most unreactive element and is a key component in semiconductor manufacturing, but neon has never been studied within an organic or metal - organic framework until now.

And as a basis for gas sensors in particular, carbon nanotubes combine advantages (and avoid shortcomings) of more established materials, such as polymer - based organic electronics and solid - state metal - oxide semiconductors.

There is also ongoing search for novel materials for organic solar cells, organic metals and semiconductors.

«MX2 semiconductors have extremely strong optical absorption properties and compared with organic photovoltaic materials, have a crystalline structure and better electrical transport properties,» Wang says.