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Cloud Formation: How Feldspar Acts as Ice Nucleus

12-Dec-2016

In the atmosphere, feldspar particles act as ice nuclei that make ice crystals grow in clouds and enable precipitation. The reason was found by researchers of Karlsruhe Institute of Technology (KIT) and University College London (UCL) with the help of electron microscopy observations and ...

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Light to design precision polymers

Light is used to specifically design defined molecule chains

02-Dec-2016

Chemists of Karlsruhe Institute of Technology (KIT) have succeeded in specifically controlling the setup of precision polymers by light-induced chemical reactions. The new method allows for the precise, planned arrangement of the chain links, i.e. monomers, along polymer chains of standard ...

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Record for Perovskite/CIGS Tandem Solar Module

29-Sep-2016

Thin-film technologies can dramatically reduce the cost of next-generation solar modules. Whereas their production cost is low, it is in particular the combination of complementary absorber materials in a tandem solar module that increases the power conversion efficiency. At the PSCO ...

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Nanofur for oil spill cleanup

Hairy plant leaves are highly oil-absorbing

22-Aug-2016

Some water ferns can absorb large volumes of oil within a short time, because their leaves are strongly water-repellent and, at the same time, highly oil-absorbing. Researchers of KIT, together with colleagues of Bonn University, have found that the oil-binding capacity of the water plant results ...

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Computer Simulation Discloses New Effect of Cavitation

Use for Reducing Wear in Pumps and Plain Bearings

30-Mar-2016

Researchers have discovered a so far unknown formation mechanism of cavitation bubbles by means of a model calculation. In the Science Advances journal, they describe how oil-repellent and oil-attracting surfaces influence a passing oil flow. Depending on the viscosity of the oil, a steam bubble ...

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How metal clusters grow

Basis for customized optoelectronic and magnetic materials

01-Mar-2016

First the nucleus, then the shell: Researchers from Marburg and Karlsruhe have studied stepwise formation of metal clusters, smallest fractions of metals in molecular form. The shell gradually forms around the inner atom rather than by later inclusion of the central atom. Knowledge of all ...

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Smallest lattice structure worldwide

04-Feb-2016

KIT scientists now present the smallest lattice structure made by man. Its struts and braces are made of glassy carbon and are less than 1 µm long and 200 nm in diameter. They are smaller than comparable metamaterials by a factor of 5. The small dimension results in so far unreached ratios of ...

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How copper makes organic light-emitting diodes more efficient

Researchers measure intersystem crossing directly in a thermally activated delayed fluorescence copper complex

06-Jan-2016

Use of copper as a fluorescent material allows for the manufacture of inexpensive and environmentally compatible organic light-emitting diodes (OLEDs). Thermally activated delayed fuorescence (TADF) ensures high light yield. Scientists of Karlsruhe Institute of Technology (KIT), CYNORA, and the ...

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Hardened steels for more efficient engines

24-Nov-2015

Combustion engines still have much potential to save energy and reduce emissions. The present trend is to use smaller engines of the same or even increased power. Engines with a reduced cylinder capacity consume less fuel due to their smaller weight, smaller friction, and smaller amount of ...

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Crack it! Energy from a fossil fuel without carbon dioxide

Technology to produce hydrogen from methane without carbon dioxide emissions

23-Nov-2015

The production of energy from natural gas without generating carbon dioxide emissions could fast become a reality, thanks to a novel technology developed by researchers of the Institute for Advanced Sustainability Studies (IASS) in Potsdam and the Karlsruhe Institute of Technology (KIT). In a ...

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