Organic functional materials can be generated via supramolecular organization of carefully chosen building blocks. Secondary interactions such as hydrogen bonding, aromatic pi-interactions, and electrostatic forces are of central importance. Combined with X-ray scattering and quantum chemical calculations, NMR spectroscopy provides unique and highly selective information on structure and dynamics of such systems with atomic resolution.<br/>For use in organic electronics the supramolecular organization has to be as high as possible. In pi-stacks the degree of order not only depends on the packing of the aromatic moieties, but also on the organization of the side groups. In fact, the highest organization achieved so far is achieved by introducing chiral centres in the side groups. NMR spectroscopy can then elucidate the mechanism of self-sorting in mixtures of enantiomers as well as subtle differences in the packing resulting from placing the chiral centres at different positions of dendritic side groups.

The role of chirality in supramolecular organization

255th National Meeting (2018)

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