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22 Current news of MPI für Polymerforschungrss
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On the way to new electronic materials with metal-organic networks
Scientists at the Max Planck Institute for Polymer Research (MPI-P) in Mainz (Germany) together with scientists from Dresden, Leipzig, Sofia (Bulgaria) and Madrid (Spain) have now developed and characterized a novel, metal-organic material which displays electrical properties mimicking those of ...
Researchers develop method to structure surfaces using visible light
The functionalization of surfaces with different physical or chemical properties is a key challenge for many applications. For example, the defined structuring of a surface with hydrophobic and hydrophilic areas can be used for the separation of emulsions, like water and oil. However, the ...
What happens in a solar cell when the lights go out depends heavily on the material being used. In conventional silicon solar cells the answer is quite simple: the electrical current produced by the cell immediately goes to zero. It is different in so-called perovskite solar cells where the cell ...
A boost for graphene-based light detectors
Light detection and control lies at the heart of many modern device applications, such as smartphone cameras. Using graphene as a light-sensitive material for light detectors can offer significant improvements with respect to materials being used nowadays. For example, graphene can detect light ...
Scientists at the Max Planck Institute for Polymer Research in Mainz, Germany, have received an unexpected result: They have discovered a new method to improve contacts in OLEDs. This new approach leads to a higher energy efficiency and can be used in almost any organic semiconductor element. ...
We all know that water melts at 0°C. However, already 150 years ago the famous physicist Michael Faraday discovered that at the surface of frozen ice, well below 0°C, a thin film of liquid-like water is present. This thin film makes ice slippery and is crucial for the motion of glaciers. Since ...
"Borophene", a 2-dimensional layer of boron atoms, holds the electronic properties which researchers try to implement in graphene – and even more. In the latest issue of Science, Hermann Sachdev, a researcher from Professor Müllen’s department at the Max Planck Institute for Polymer Research ...
Long-lived sub-structures exist in liquid water as discovered using novel ultrafast vibrational spectroscopies
A team of scientists from the Max Planck Institute for Polymer Research (MPI-P) in Mainz, Germany and FOM Institute AMOLF in the Netherlands have characterized the local structural dynamics of liquid water, i.e. how quickly water molecules change their binding state. Using innovative ultrafast ...
Simple thermodynamics defines the performance of ultrafast graphene transistors and photodetectors.
A team of scientists at the Max Planck Institute for Polymer Research (MPI-P) discovered that electrical conduction in graphene on the picosecond timescale – a picosecond being one thousandth of one billionth of a second – is governed by the same basic laws that describe the thermal properties of ...
Ultrafast terahertz spectroscopy yields direct insight into the building block of modern magnetic memories
Modern magnetic memories, such as hard drives installed in almost every computer, can store a very large amount of information thanks to very tiny, nanoscale magnetic sensors used for memory readout. The operation of these magnetic sensors, called the spin-valves, is based on the effect of giant ...