Probing interfacial organization in surface monolayers using tethered pyrene. 1. Structural mediation of electron and proton access to adsorbates

Article Abstract:

A family of self-assembled monolayers containing pyrene derivatives on gold and indium-doped tin oxide (ITO) substrates is synthesized. Cyclic voltammetry shows that the organization of a monolayer with pyrene derivatives, and the position of the terminal pyrene within such monolayer, depends sensitively on the length of the pyrene tether and the presence or absence of aliphatic interfacial species, as well as the identity of the substrate.

Tin compounds, Substrates

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Probing interfacial organization in surface monolayers using tethered pyrene. 2. Spectroscopy and motional freedom of the adsorbates

Article Abstract:

The monolayer structures are sensitive to the identity of the solvent overlayer, with the solvent playing a significant role in the organization of the surface-bound monolayers. The importance of neighbor-neighbor interactions within the monolayer structures in mediating the motional freedom of the tethered pyrene chromophores is described.

Chromophores

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