Liquid crystals have been studied for the last century and a half, but have only recently been explored as emissive or conductive materials. Metallomesogens benefit from the optoelectronic properties of the metal centers and the mesogenic behavior of the organic component. Here we present a series of luminescent cationic bis-cylometallated Pt(II) complexes that form hexagonal columnar mesophases. These complexes display thermotropic columnar liquid crystalline behavior in spite of only having a single sidechain. Crystals also undergo mechanochromic transformations that can be reversed with solvent.

Thermotropic liquid crystalline Pt(II) complexes with a single side chain

247th National Meeting (2014)

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