Abstract
The introduction of methylthioethers to the molecular wire 1,4-bis(pyridylethynyl)benzene gives rise to a prototypical one with a multipodal surface contacting motif that do not perturb the favourable electrical characteristics of the pyridyl group.
Highlights
Regardless of whether single molecules or assemblies of molecules are used in the construction of molecular junctions, 672 | J
In this paper we report the synthesis and the Langmuir and Langmuir–Blodgett (LB) film forming behaviour of a 1,4-bis(pyridylethynyl) benzene[8,83] derivative, in which the electrical contact through the pyridyl moiety is augmented by the introduction of ‘buttressed’ methyl(thiomethyl) anchors (1) (Fig. 1)
Of Langmuir and Langmuir–Blodgett (LB) films A preliminary survey was undertaken to assess the influence of the concentration and volume of the spreading solution on the formation of Langmuir films of 1 at the air–water interface
Summary
Regardless of whether single molecules or assemblies of molecules are used in the construction of molecular junctions, 672 | J. Monolayers of 1 were deposited at different surface pressures onto mica substrates, which had been freshly cleaved, and the resulting LB films were imaged using an atomic force microscope (AFM) (Fig. 4).
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