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In situ photothermal deflection spectroscopy revealing intermolecular interactions upon self-assembly of dye
Maximilian L Hupfer1, Felix Herrmann-Westendorf, Benjamin Dietzek
1Leibniz Institute of Photonic Technology (Leibniz-IPHT), Department Functional Interfaces, Albert-Einstein-Str. 9, 07745 Jena, Germany. martin.presselt@leibniz-ipht.de.
Abstract:
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.
