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O: Fachverband Oberflächenphysik

O 45: Organic-Inorganic Hybrid Systems and Organic Films

O 45.2: Poster

Dienstag, 21. März 2017, 18:30–20:30, P1A

Assembly of metal-organic complexes on solid support: design, properties, and applications — •Michael Zharnikov — Applied Physical Chemistry, Heidelberg University, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany

Transition metal complexes allow a high degree of molecular design flexibility through symmetry considerations and ligand architecture, which can be explored for the fabrication of ordered molecular and oligomer assemblies through bottom-up approach. Here I describe the preparation of such assemblies, viz. monocomponent and multicomponent coordination-based monomolecular, dimer, trimer, and oligomer films on siloxane-based templates by wet-chemical layer-by-layer deposition process. In these films optically-rich metal polypyridyl complexes having pendant pyridine groups (so called metallo-ligands) were combined with a coinage metal (copper or silver) that acted as a linker between the polypyridyl complex moieties. The properties of the above assemblies were studied in detail by suitable combination of several complementary experimental techniques. Examples of potential applications are given, including volatile memory devices, logical gates, high-selectivity sensors, systems for photoinduced DNA cleavage, and catalytically active surfaces.