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38 Current news of TU Dresden

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Tuning the energy gap: A novel approach for organic semiconductors

14-Jun-2021

What is already established for inorganic semiconductors stays a challenge for their organic counterparts: Tuning the energy gap by blending different semiconducting molecules to optimize device performance. Now, scientists from TU Dresden, in cooperation with researchers at TU Munich, as well as ...

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Lead Halide Perovskites – a Horse of a Different Color

Novel spectroscopic technique developed

09-Jun-2021

In a joint experimental and theoretical effort between Lund University (Sweden), the Russian Academy of Science (Russia), and the Center for Advancing Electronics Dresden at Technische Universität Dresden (Germany), researchers developed a novel spectroscopic technique for the study of charge ...

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Many researchers are familiar with the problem: Before there are any new findings, there is an unknown measuring device

"SweepMe!" simplifies the use of measuring devices

28-Apr-2021

In order to control it, different libraries, protocols and command sets need to be followed. If you ever have to combine several devices from different manufacturers, you virtually have to take an additional course in computer science. This is because, in each case, a separate software is ...

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A general approach to high-efficiency perovskite solar cells

30-Mar-2021

Researchers from the Institute for Applied Physics (IAP) and the Center for Advancing Electronics Dresden (cfaed) at TU Dresden developed a general methodology for the reproducible fabrication of high efficiency perovskite solar cells. Perovskites, a class of materials first reported in the early ...

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Compression or strain – the material expands always the same

Regardless if strained or compressed, the new material always expands

08-Mar-2021

An international research team led by chemist Prof. Thomas Heine of TU Dresden has discovered a new two-dimensional material with unprecedented properties: regardless if it is strained or compressed, it always expands. This so-called half-auxetic behavior has not been observed before and is ...

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Flowers of St. John's Wort serve as green catalyst

Conceptually new and sustainable process registered as a German patent

16-Feb-2021

An interdisciplinary team of scientists from the School of Science at TU Dresden has for the first time used dried flowers of St. John's Wort (genus Hypericum) as an active catalyst in various photochemical reactions. This conceptually new and sustainable process was registered as a German patent ...

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Ionic defect landscape in perovskite solar cells revealed

08-Dec-2020

The group of so-called metal halide perovskites as materials has revolutionized the field of photovoltaics in recent years. Generally speaking, metal halide perovskites are crystalline materials that follow the structure ABX3, with varying composition. Here, A, B, and X can represent a ...

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Microswimmers move like moths to the light

Impressive behavior of synthetic microswimmers studied

30-Nov-2020

The Freigeist group at TU Dresden, led by chemist Dr Juliane Simmchen, has studied an impressive behavior of synthetic microswimmers: as soon as the photocatalytic particles leave an illuminated zone, they flip independently and swim back into the light. This promising observation and its ...

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Blue phosphorus: How a semiconductor becomes a metal

09-Nov-2020

Blue phosphorus, an atomically thin synthetic semiconductor, becomes metallic as soon as it is converted into a double layer. This has been discovered by an interdisciplinary team led by Prof Thomas Heine from TU Dresden and Prof Gabriel Merino from the Mexican research institute Cinvestav ...

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Clean without scrubbing and using chemicals

Scientists develop self-cleaning aluminium surface

28-May-2020

A project team of Technische Universität Dresden and the Fraunhofer Institute for Material and Beam Technology IWS structured an aluminium plate with a laser process in such a way that water droplets no longer adhere and dirt particles can be removed from the surface - completely without chemical ...

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