Berlin 2015 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 39: Poster Session II

DS 39.19: Poster

Donnerstag, 19. März 2015, 16:00–18:30, Poster F

Spectroscopic and transport properties of a novel charge transfer salts — •Torsten Hahn1, Florian Rückerl2, and Simon Liebing11Institut für Theoretische Physik, Leipziger Str. 23, TU Freiberg, D-09599 Freiberg — 2IFW Dresden, Helmholtzstraße 20, D-01069 Dresden

The recently synthesized Picene/F4TCNQ charge transfer salt [1] shows promising physical properties for the application in molecular electronics. Based on theoretical calculation within the density functional theory framework we predict the material to act as a molecular diode with high rectification ratio [2]. We further conclude that the hybrid states formed by the donor / acceptor system are playing the key role to determine the spectroscopic and quantum transport properties. Additionally we extend our investigation to other novel charge transfer salts like Chrysene/F4TCNQ or Tetracene/F4TCNQ. We will show that the tuning of spectroscopic and transport properties through intramolecular charge transfer is a general concept which opens a new route towards functional materials for molecular electronics.

[1] Mahns, B. et. al., Cryst. Growth and Design 14, 1338-1346 (2014). [2] T. Hahn, S. Liebing, and J. Kortus, Nanoscale 6, 14508 (2014).

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DPG-Physik > DPG-Verhandlungen > 2015 > Berlin