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Elucidating the Atomic Mechanism of Superlubricity

Tribology: Design Rules for Extremely Low Coefficients of Friction

15-Jan-2019

The phenomenon of so-called superlubricity is known, but so far the explanation at the atomic level has been missing: for example, how does extremely low friction occur in bearings? Researchers from the Fraunhofer Institutes IWM and IWS jointly deciphered a universal mechanism of superlubricity ...

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Tandem Solar Cells – Record Efficiency for Silicon-based Multi-junction Solar Cell

09-Jan-2019

Silicon solar cells dominate the photovoltaic market today but the technology approaches the theoretical maximum efficiency that can be achieved with silicon as the only absorber material. Tandem solar cells, on the other hand, combine several absorber materials, enabling a better energetic use ...

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Pocket-size food scanner

General-use, cost-effective scanning technology that can be easily adapted

07-Jan-2019

According to a study by the environmental organization WWF Germany, ten million metric tons of food are thrown in the garbage every year in Germany despite still being edible. A mobile food scanner will allow consumers and supermarket operators in the future to test whether food items have gone ...

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Novel color sensors are less expensive to manufacture

10-Dec-2018

In the FOWINA project, the Fraunhofer Institute for Integrated Circuits IIS in Erlangen and the Fraunhofer Institute for Silicate Research ISC in Würzburg have developed novel color sensors with a special microlens arrangement. The sensors can be realized directly on the chip and combine multiple ...

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Concentrator Photovoltaics Shows Peak Performance – Module Efficiency Reaches 41.4 %

26-Nov-2018

Concentrator Photovoltaics (CPV) has by far achieved the highest efficiency for the conversion of sunlight into electricity. The basis for this latest achievement lies in the special multi-junction solar cells as well as the perfect interplay between the cell and the module optics. In the ...

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OLED integration in textiles: functional and eye-catching

12-Sep-2018

Organic light-emitting diodes (OLED) are mainly known from televisions and smartphone displays. They can be used as lighting objects in car tail lights or lights. The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP as a partner for customer-specific OLED ...

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From wood waste to high-performance polymers

A transparent and thermally stable polyamide – 100 percent biobased

31-Aug-2018

The natural substance 3-carene is a component of turpentine oil, a waste stream of the production of cellulose from wood. Up to now, this by-product has been incinerated for the most part. Fraunhofer researchers are using new catalytic processes to convert 3-carene into building blocks for ...

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Clean through solar power

03-Aug-2018

In combination with the right materials, sunbeams can work wonders: they clean building facades and decompose pollutants from the air or in the water. The magic word is photocatalysis. In practice, though, the effectiveness of this „miracle cure“ fluctuates greatly, depending on the material used ...

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Fraunhofer supplies lignin for biobased materials

31-Jul-2018

Using ultrapure lignin from the lignocellulosic biorefinery at the Fraunhofer Center for Chemical-Biotechnological Processes CBP in Leuna, researchers at the Technical University of Hamburg-Harburg (TU HH) have produced lignin-containing aerogels and processed high-porosity insulating boards with ...

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Electron spectrometer deciphers quantum mechanical effects

09-Jul-2018

Electronic circuits are miniaturized to such an extent that quantum mechanical effects become noticeable. Using photoelectron spectrometers, solid-state physicists and material developers can discover more about such electron-based processes. Fraunhofer researchers have helped revolutionize this ...

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