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

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 s...

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Bibliographic Details
Published in:Analyst (London) 2021-08, Vol.146 (16), p.5033-5036
Main Authors: Hupfer, Maximilian L., Herrmann-Westendorf, Felix, Dietzek, Benjamin, Presselt, Martin
Format: Article
Language:English
Subjects:
Absorptance
Absorptivity
Dyes
Monolayers
Photothermal deflection spectroscopy
Self-assembly
Spectrum analysis
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Summary: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.
ISSN:0003-2654
1364-5528
DOI:10.1039/d1an00582k