Photoinduced modulation of the oxidation state of dibenzothiophene S-oxide molecules on an insulating substrate
Mélissa Hankache,
Valentin Magné,
Elie Geagea,
Pablo Simón Marqués,
Sylvain Clair,
Luca Giovanelli,
Christian Loppacher,
Emmanuel Fodeke,
Sonia Mallet-Ladeira,
Eddy Maerten,
Claire Kammerer (),
David Madec and
Laurent Nony ()
Additional contact information
Mélissa Hankache: CNRS
Valentin Magné: CNRS
Elie Geagea: CNRS
Pablo Simón Marqués: CNRS
Sylvain Clair: CNRS
Luca Giovanelli: CNRS
Christian Loppacher: CNRS
Emmanuel Fodeke: CNRS
Sonia Mallet-Ladeira: Université de Toulouse
Eddy Maerten: CNRS
Claire Kammerer: CNRS
David Madec: CNRS
Laurent Nony: CNRS
Nature Communications, 2025, vol. 16, issue 1, 1-9
Abstract:
Abstract On-surface chemistry aims to overcome the limitations of conventional in-solution synthesis by taking advantage of the confinement in two dimensions to master highly ordered covalent structures with tailored properties. So far, most of the reported work is conducted on metal substrates and relies on unconventional mechanisms, thereby precluding a direct transposition of well-established organic reactions from solutions to surfaces. In addition, the intrinsic properties and reactivity of metal substrates often limit the activation methods available to trigger on-surface reactions, and photoinduced processes are especially difficult to handle due to quenching of the adsorbed precursor molecules. Herein, the photoinduced deoxygenation of dibenzothiophene S-oxide (DBTO) derivatives is transposed from solutions to insulating alkali halide surfaces in ultra-high vacuum. By combining in-solution and on-surface investigations by means of scanning tunneling microscopy, non-contact atomic force microscopy, as well as bias spectroscopy measurements, we provide evidence of the successful on-surface deoxygenation of individual DBTO derivatives under UV irradiation. The photoinduced deoxygenation is conducted at low temperature (
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-60075-y
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DOI: 10.1038/s41467-025-60075-y
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