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Regensburg 2013 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 31: Poster: Organic Electronics and Photovoltaics (joint session DS/HL/O/CPP)

CPP 31.21: Poster

Wednesday, March 13, 2013, 16:30–18:30, Poster C

Combined photoemission and X-ray absorption study of the 'rods-in-belt' supramolecular complexes containing gold-copper and gold-silver clusters — •Anna Makarova1,2, Elena Grachova2, Dmitry Krupenya2, Julia Shakirova2, Igor Koshevoy3, Eckart Rühl4, Clemens Laubschat1, Sergey Tunik2, and Denis Vyalikh11Technische Universität Dresden, Dresden, Germany — 2St.-Petersburg State University, St.-Petersburg, Russia — 3University of Joensuu, Joensuu, Finland — 4Freie Universität Berlin, Berlin, Germany

Recently created self-assembled Au(I)-Cu(I) and Au(I)-Ag(I) 'rods-in-belt' supramolecular complexes display intriguing phosphorescence properties. Another important issue is the tunability of their electronic structure, and consequently their photophysical properties through modification of the ligand environment that opens great perspectives for their implementation in light-emitting devices and in bio-imaging. It is believed that high structural ordering and self-assembling properties of such objects can open a new avenue for the design of artificial nanostructures that may potentially be ideal building blocks for next generation electronics. Nonetheless, the electronic structure of these materials has not been investigated experimentally by now. We have demonstrated that photoemission and X-ray absorption techniques can be successfully applied for systematic investigation of the series of these unique complexes. It has been shown that the all complexes inside the series exhibit similar electronic structures, however, the electronic states near the HOMO reveal notable differences.

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