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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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HL: Fachverband Halbleiterphysik

HL 76: Poster IIIC

HL 76.7: Poster

Thursday, March 19, 2020, 15:00–17:30, P2/4OG

Optical properties of metal-organic-bis(8-quinolinyl)amide complexes — •Nicolas Broda1,4, Harald Locke2,4, Pascal Schweitzer3,4, Detlev Hofmann1,4, Peter Schreiner2,4, Derck Schlettwein3,4, and Sangam Chatterjee1,41I. Physikalisches Institut, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany — 2Institut für Organische Chemie, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany — 3Institut für Angewandte Physik, Justus-Liebig-Universität Gießen, 35392 Gießen, Germany — 4Zentrum für Materialforschung (ZfM), Justus-Liebig-Universität Gießen, 35392 Gießen, Germany

Organic semiconductors are advanced functional materials, for nextgeneration optoelectronic devices. Here, we report the optical properties of neutral metal-organic complexes with two pincer-type bis(8- quinolinyl)amide (BQA) ligands. In particular, we analyse a series of transition-metal-BQA-complexes where the central metal atom is varied by photoluminescence and absorption spectroscopies. Prominent optical transitions are observed in the spectral range between 350nm and 900nm. The transition energies depend on the central metal atom of the BQA complexes, namely Zn, Fe, Mn or Cr. The measurements are analysed in the frame of configuration coordinate models. Our results show that the materials are suitable for organic semiconductors and organic solar cell application.

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