Conjugated Polymers

  • Background: Conjugated polymer technology . In the seventies it was discovered that organic conjugated polymers and oligomers are semiconductors, which upon heavy doping can become metallic. In the nineties the potential of these new materials for a wide range of technological applications is being demonstrated.

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  • Computational materials science: Polymer band gap engineering . Polymer band gap engineering stands for optimizing the electronic properties of a polymer (such as the band gap) by varying the chemical building blocks and the way these are connected.

  • Background: Polymer light emitting diodes . Electroluminescent conjugated materials are at the focus of attention for optical applications, e.g. in large-area flexible displays.

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  • Computational materials science: Microscopic models . Competing models describing the principal nature of charge carriers and optical excitations are the subject of heated debates.