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Promotionsvortrag Physik: Scanning Tunneling Microscopy Investigations of Porphyrins on Cu(111) and Cobalt Oxide Films: Adsorption, Self-Assembly and On-Surface Synthesis

Feb 21
February 21, 2020 10:30 am - 11:30 am
SR - Didaktik 00.732, Department Physik, Staudtstr.7, Erlangen

Einladung zum Promotionsvortrag von: Frau Feifei Xiang

“Scanning Tunneling Microscopy Investigations of Porphyrins on Cu(111) and Cobalt Oxide Films: Adsorption, Self-Assembly and On-Surface Synthesis”

Metal oxides hold promise for the development of future organic electronics and lowcost, high-efficient heterogeneous catalysts due to their wide range of crystallographic, electronic and magnetic structures.
As the size of today’s electronic devices reaches the nanometer scale, and as interest has grown in establishing the catalytic mechanisms of metal oxide catalysts, the interface interactions between metal oxides and adsorbates are at the focus of current research.
This work aims at performing fundamental, comparative studies of the adsorption of large organic molecules (i.e. 5,15-diphenylporphyrin and Co(Ⅱ)-5,15-diphenylporphyrin) on cobalt oxide films and copper surface by mainly using scanning tunneling microscopy (STM), in order to gain a fundamental understanding of the adsorption behavior such as the adsorption geometry of the molecules, the interactions between the molecules and the substrate surfaces, and possible on-surface reactions.
By this, the similarities of and differences between the adsorption of molecules on metal and metal oxide surfaces are revealed. The results will open a door towards designing and fabricating functional molecular nanostructures on metal oxide surfaces.

(Vortrag auf Englisch)

Dem Vortrag schließt sich eine Diskussion von 15 Minuten an. Vortrag und Diskussion sind öffentlich. Diesen Verfahrensteilen folgt ein nicht öffentliches Rigorosum von 45 Minuten.