Experimental measurements of low-frequency intermolecular host-guest dynamics

Article Abstract:

Research was conducted to examine the relative motion of the bound host-guest complexes using the time-resolved polarization spectroscopy approach. The objective of the study is to address the flexibility of intermolecular complexes with anthracene-1,3-dicarboxylate and two bis-guanidinium receptors with different site geometries as the host molecules. Results indicate that it is possible to estimate the frequency of the host-guest potential and the range of the guest chromophore's angular displacement using a simple model.

Research, Hydrogen bonding, Hydrogen bonds, Molecular rotation

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Charge transport and scaling in molecular wires

Article Abstract:

The scaling of conductance across metal-molecule-metal junctions consisting of self-assembled monolayers of dithiol molecular wire candidates is demonstrated through current-voltage measurement carried out by two experimental techniques. It concluded that intermolecular charge hopping does not strongly contribute to charge transport in a self-assembled monolayer, an important factor for the design of future molecular-based devices.

Electric properties, Spectra, Molecular electronics, Intermolecular forces, Charge transfer

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