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OLEDs become brighter and more durable

29-May-2018

Organic light-emitting diodes (OLEDs) truly have matured enough to allow for first commercial products in form of small and large displays. In order to compete in further markets and even open new possibilities (automotive lighting, head-mounted-displays, micro displays, etc.), OLEDs need to see ...

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Long-distance relationships of particles: Electron-hole pairs in two-dimensional crystals

Researchers reveal the nature of optical excitations

07-May-2018

When light of specific frequency hits a semiconductor crystal, it is absorbed and produces a excitation, a state of higher energy. In solar cells, this energy can be converted into electricity and used. In two-dimensional crystals, which consist of only a few atomic layers, so called “excitons” ...

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Stagediving with biomolecules improves optical microscopy

03-May-2018

Physicists from Dresden and Würzburg have developed a novel method for optical microscopy. Using biological motors and single quantum dots, they acquire ultra-high-resolution images. The resolution of conventional optical microscopy is limited by the fundamental physical principle of diffraction ...

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Researchers uncover doping in organic semiconductors

15-Mar-2018

A group of physicists from the cfaed at TU Dresden, together with researchers from Japan, were able to demonstrate in a study how the doping of organic semiconductors can be simulated and experimentally verified. In semiconductor technology, doping refers to the intentional introduction of ...

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Researchers obtain decacene, the largest acene synthesised ever

15-Aug-2017

Acenes are molecules formed by the linear fusion of special carbon-based hexagons, widely known as ‘benzene rings’. In spite of its structural simplicity, these molecules have attracted huge attention due to their unique electronic properties; pentacene, for example, a member of this family with ...

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Organic–inorganic heterostructures with programmable electronic properties

31-Mar-2017

Researchers from the University of Strasbourg & CNRS (France), in collaboration with the University of Mons (Belgium), the Max Planck Institute for Polymer Research (Germany) and the Technische Universität Dresden (Germany), have devised a novel supramolecular strategy to introduce tunable 1D ...

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Cows don´t cook

Food scientists develop new approach to define species-appropriate feeding of dairy cattle

21-Mar-2017

“Organic” food might not always mean what you think it means. A team of TU Dresden food scientists headed by Prof. Dr. Thomas Henle were now successful in developing a new method to distinguish organic from conventionally produced milk. Conventionally fed cows usually get concentrated feed that ...

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Germanium outperforms silicon in energy efficient transistors with n- und p- conduction

07-Feb-2017

A team of scientists from the Nanoelectronic Materials Laboratory (NaMLab gGmbH) and the Cluster of Excellence Center for Advancing Electronics Dresden (cfaed) at the Dresden University of Technology have demonstrated the world-wide first transistor based on germanium that can be programmed ...

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Scientists discover new phenomenon in the field of gas-solid interactions

11-Apr-2016

Prof. Dr. Stefan Kaskel and his team of scientists at the Institute of Inorganic Chemistry I at TU Dresden discovered in cooperation with the Helmholtz-Centre Berlin (HZB) and French researchers a new phenomenon in the field of gas-solid interactions: the so-called Negative Gas Adsorption (NGA). ...

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Camera for the Nano-Cosmos

12-Aug-2015

To gain even deeper insights into the smallest of worlds, the thresholds of microscopy must be expanded further. Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the TU Dresden, in cooperation with the Freie Universität Berlin, have succeeded in combining two established ...

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