Dithiocarbamates (DTCs) are a practical alternative to thiols for the functionalization of metal surfaces and nanostructures. In addition to their ease of preparation (often spontaneously formed by the addition of amines to CS2), DTCs are strongly coordinating ligands and can be more resistant to surface desorption than thiols under various conditions. The adsorption kinetics of DTCs is rather different from that of thiols, and presents opportunities to deposit organic ligands onto nanostructured surfaces with kinetic control. Examples include using DTCs for the surface-selective passivation of metal nanoclusters and nanoporous gold, insertion of DTC ligands for surface-enhanced Raman scattering (SERS) with heightened sensitivity, the photopatterning of binary DTC and alkanethiol monolayers, and the DTC-mediated attachment of biomolecular recognition elements for applications in nanomedicine.

Dithiocarbamate-anchored ligands on smooth and nanostructured gold surfaces

249th National Meeting (2015)

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