Sentences with phrase «organic semiconductors in»

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

Not exact matches

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.
In the paper published in Nature Energy, the researchers described how they used organic semiconductors — contorted hexabenzocoronene (cHBC) derivatives — for constructing the solar cellIn the paper published in Nature Energy, the researchers described how they used organic semiconductors — contorted hexabenzocoronene (cHBC) derivatives — for constructing the solar cellin Nature Energy, the researchers described how they used organic semiconductors — contorted hexabenzocoronene (cHBC) derivatives — for constructing the solar cells.
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.
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.
Alán Aspuru - Guzik, a theoretical chemist at Harvard University in Cambridge, Massachusetts, and his colleagues, used computational models to screen a family of organic molecules and identify those likely to be the best semiconductors.
The latest molecule is one of the best organic semiconductors yet discovered, in terms of its ability to transport electric charge.
«We're working with a crystalline semiconductor called rubrene, which is an organic, carbon - based material that has performance factors, such as charge - carrier mobility, surpassing those measured in amorphous silicon.
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.
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
In the experiments run by Marinescu's group, they used a cobalt - based metal - organic framework that mimicked the conductivity of both a metal and semiconductor at different temperatures.
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.
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.
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.
He has made seminal contributions in organic low - dimensional conductors, semiconductors, and magnetic materials.
HCharge transport in organic semiconductors: influence of processing and doping (SEMICONDUCTORS ANsemiconductors: influence of processing and doping (SEMICONDUCTORS ANSEMICONDUCTORS AND NANODEVICES)
Bob Crabtree (catalysts and ligand design) Ana Moore (antenna synthesis, characterization of energy / charge transfer) Tom Moore (design of bioinspired photocatalytic assemblies) Eric Bittner (EB)(charge transport in organic electronics, organic photovoltaics) Charlie Schmuttenmaer (semiconductor materials + spectroscopy of carriers) Gary Brudvig (natural photosynthesis and biomimetic systems + EPR spectroscopy + electrochemistry) Peter Rossky (modeling organic PV) Mark Ratner (modeling transport, organic electronics) Victor Batista (modeling PSII and DSSC)
Technical details of these research topics focus on light - induced electron transfer reactions, both at surfaces and in transition - metal complexes, surface chemistry and photochemistry of semiconductor / liquid interfaces, novel uses of conducting organic polymers and polymer / conductor composites, and development of sensor arrays that use pattern recognition algorithms to identify odorants, mimicking the mammalian olfaction process.
However, his main interests in Dresden have been novel semiconductor systems like semiconducting organic thin films; with special emphasis to understand basics device principles and the optical response.
Her research experience includes modeling of organic aerosol oxidation at LBNL, fabrication and optimization of high performance semiconductor nanoparticle - based image sensors as Manager of Materials Development at InVisage Technologies, Inc., and foundational and applied research as a Research Staff Member at IBM's Almaden Research Center on transformations in dielectrics, semiconductors, metals, and polymer films.
His research led to the discovery of a liquid crystalline thiophene polymer which has served for over a decade as a benchmark semiconductor, employed in fundamental studies of the properties of organic field effect transistors, demonstrating the feasibility of solution processed organic polymers, and provided the impetus for advances in the field.
Both layers in the new smartwatch screen contain organic semiconductors.
In 2005 a group of engineers at IMEC, a microelectronics company based in Leuven, Belgium, overcame a major technological hurdle by constructing a diode made of pentacene, an organic compound that has semiconductor propertieIn 2005 a group of engineers at IMEC, a microelectronics company based in Leuven, Belgium, overcame a major technological hurdle by constructing a diode made of pentacene, an organic compound that has semiconductor propertiein Leuven, Belgium, overcame a major technological hurdle by constructing a diode made of pentacene, an organic compound that has semiconductor properties.
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.
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.
A high mobility semiconductor is required for the pixel electronics in an OLED display, and making this layer organic (as well as the emitter materials) is the real breakthrough as it fully enables the flexibility and industrial benefits of OLED displays.
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.
«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.
Chemical engineers in the solar industry typically focus on semiconductors or organic chemistry, since most solar panels are made of semiconducting materials and some newer thin - film panels are made out of organic materials.
The researchers report in Nano Letters that by combining inorganic semiconductor nanocrystals with organic molecules, they have succeeded in «upconverting» photons in the visible and near - infrared regions of the solar spectrum.
Handled patent prosecution in diverse fields of technology inclusive of organic electroluminescent semiconductors and superconductivity.
In particular, her technical areas include nanofabrication, semiconductors, organic electronics, molecular electronics, optoelectronics, electrophotography, inkjet printing, surface engineering, color science, and image processing.
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