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How to design efficient materials for OLED displays

25-Sep-2019

For applications such as light-emitting diodes or solar cells, organic materials are nowadays in the focus of research. These organic molecules could be a promising alternative to currently used semiconductors such as silicon or germanium and are used in OLED displays. A major problem is that in ...

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Nylon as a building block for transparent electronic devices?

21-Aug-2019

Scientists at the Max Planck Institute for Polymer Research (MPI-P) led by Dr. Kamal Asadi have solved a four decade long challenge of producing very thin nylon films that can be used for instance in electronic memory components. The thin nylon films are several 100 times thinner than human hair ...

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On the way to printable organic light emitting diodes

12-Jul-2019

Organic light-emitting diodes (OLEDs) are used today in many electronic devices for display applications, ranging from smartphones to televisions. Scientists at the Max Planck Institute for Polymer Research (MPI-P) have now succeeded in developing a new design for these LEDs. They have been able ...

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Goodbye, silicon?

On the way to new electronic materials with metal-organic networks

18-Oct-2018

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 ...

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Molecular multitools

Researchers develop method to structure surfaces using visible light

08-Oct-2018

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 ...

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What happens in a solar cell when the lights go out?

27-Jul-2018

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 ...

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Photoexcited graphene puzzle solved

A boost for graphene-based light detectors

05-Jun-2018

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 ...

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OLED: Nanometer-thin layer improves efficiency

15-Mar-2018

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. ...

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How does water melt? Layer by layer!

14-Dec-2016

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 ...

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Borophene: A very promising 2D material

21-Dec-2015

"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 ...

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