Dresden 2009 – wissenschaftliches Programm
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SYOP: Symposium Organic Photovoltaics: From Single Molecules to Devices
SYOP 5: Organic Photovoltaics III
SYOP 5.11: Vortrag
Freitag, 27. März 2009, 13:00–13:15, ZEU 222
Electronic properties of pristine FePc and CoPc thin films: experiment and calculations — Olga Molodtsova1, Martin Knupfer1, Volodymyr Maslyuk2, Yurii Ossipyan3, Alexander Chaika3, Thomas Bredow4, Ingrid Mertig2, and •Victor Aristov1, 3 — 1IFW Dresden, D-01069 Dresden, Germany — 2Martin-Luther-Universität Halle-Wittenberg, Fachbereich Physik, D-06099 Halle, Germany — 3ISSP RAS, Chernogolovka, 142432, Russia — 4Institute for Physical and Theoretical Chemistry, Bonn University, D-53115 Bonn, Germany
Magnetic transition metal (MTM) phthalocyanines are regarded as objects for the development of low dimensional molecular magnets because they are assumed as possible candidates for potential applications in high-density information storage and quantum computers that gives a strong motivation to characterize and study the electronic structure of MTM phthalocyanine thin films. Moreover this determines also the performance of devices. In this presentation we report the results of extensive investigations of the electronic structure: core-levels and valence band of the organic semiconductors CoPc and FePc in situ grown on Au(001) surface under UHV conditions. The studies were performed by means of direct and resonant photoemission, NEXAFS and DFT calculations. The experimentally obtained electronic states appeared to be in very good agreement with DFT calculations. This work was supported by the DFG under grant no. 436RUS17/52/06 and through the DFG Priority Program 1165., by the SMWK and by RFBR (grant no. 08-02-01170).