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Mainz 2017 – scientific programme

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MO: Fachverband Molekülphysik

MO 9: Posters 1: Dichroism, VUV and Xray, Clusters, and Cold Molecules

MO 9.12: Poster

Tuesday, March 7, 2017, 17:00–19:00, P OG1

Small metal clusters on porphyrin templates — •Frederic Ußling1, Tobias Bischoff1, Andre Knecht1, Andrea Merli1, Merle I. S. Röhr2, Polina G. Lisinetskaya2, Jens Petersen2, Roland Mitrić2, Thomas Möller1, and Torbjörn Rander11Institut für Optik und Atomare Physik, Technische Universität Berlin — 2Institut für Physikalische und Theoretische Chemie, Universität Würzburg

The size- and structure-dependent optical properties of metal clusters have been studied for many years. In the smallest size regime, every single atom is known to have a high impact on both the cluster geometry and optical properties [1]. Several years ago, first studies on the collective optical characteristics and interactions between multiple clusters, and the influence of their orientation were carried out [2]. Recently, it has been predicted that porphyrin templates may be used to produce well defined arrangements of small metal clusters [3]. However, so far, no experimental verification exists. We investigated the possibility to combine cationic Cu3 clusters with single porphyrins in a collision cell. This represents a first step towards investigating metal clusters on porphyrin templates in the gas phase.

K. L. Kelly et. al., J. Phys. Chem. B 107, 668 (2003)

[2] P. G. Lisinetskaya et. al., Phys. Rev. B 89, 035433 (2014)

[3] M. Röhr et. al., J. Phys. Chem. A 120, 4465 (2016)

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