The Shape of Things To Come

The Shape of Things To Come

Author: European Journal of Inorganic Chemistry

The shape and physical properties of materials determine their usefulness. Being able to change these attributes in a controlled way makes it possible to optimize a material for a specific application.

Marina Petrukhina and co-workers, University at Albany, State University of New York, USA, prepared mono-, di-, and tetraanions of rubrene (Rub) by a stepwise alkali-metal reduction. Rubrene is a nonpolar polyarene having multiple metal binding sites and sufficient skeleton flexibility. It is known to be an efficient material for the fabrication of organic field-effect transistors and light-emitting diodes. 

The geometries of charged rubrene anions and their supramolecular aggregation with alkali-metal ions (pictured) in the solid state and solution are discussed based on single-crystal X-ray diffraction studies, ESR, and multinuclear NMR spectroscopy.

Image: © Wiley-VCH

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