In situ photothermal deflection spectroscopy revealing intermolecular interactions upon self-assembly of dye monolayers†

in: Analyst (2021)
Hupfer, Maximilian L.; Herrmann-Westendorf, Felix; Dietzek, Benjamin; Presselt, Martin
We demonstrate the potential of photothermal deflection spectroscopy (PDS) to study the self-assembly of dye monolayers in situ. Beyond the determination of adsorption kinetics at specific wavelengths, PDS gains its strength from yielding UV-vis absorptance spectra of SAMs in situ, unaffected by scattering, from which supramolecular interactions can be deduced.

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