Direct visualization of chirality in two dimensions

Surface science techniques have been used to investigate 2D chirality induced by molecular adsorption at the Cu(1 1 0) surface. Particular emphasis has been devoted to presenting molecular resolution scanning tunnelling microscope images which provide direct, real-space access to chiral behaviour at the nanoscale. The systems chosen demonstrate the gamut of chiral organization: conglomerates, racemates and solid solutions. They show the creation of chirality from achiral adsorbates, and the enantiospecific hosting of an intrinsic chiral guest. In short, chirality at surfaces manifests its full range of behaviours, and STM provides the means by which that behaviour can be captured.

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