Carbohydrate Self-Assembly at Surfaces: STM Imaging of Sucrose Conformation and Ordering on Cu(100)

Sabine Abb 1 Nathalie Tarrat 2 Juan Cortés 3 Bohdan Andriyevsky 4 Ludger Harnau J. Christian Schön 1 Stephan Rauschenbach 1, 5 Klaus Kern 1, 6
1 Max Planck Institute for Solid State Research
2 CEMES-SINanO - Surfaces, Interfaces et Nano-Objets
CEMES - Centre d'élaboration de matériaux et d'études structurales
3 LAAS-RIS - Équipe Robotique et InteractionS
LAAS - Laboratoire d'analyse et d'architecture des systèmes
4 Koszalin University of Technology
5 Department of Chemistry, University of Oxford
6 Institut de Physique [Lausanne]
Abstract : Saccharides are ubiquitous biomolecules but little is known about their interaction with and assembly at surfaces. Combining preparative mass spectrometry with scanning tunneling microscopy, we have been able to address the conformation and self-assembly of the disaccharide sucrose on the Cu(100) surface with subunit-level imaging. By combining a multi-stage modelling approach and experimental data, we can rationalize the conformation on the surface as well as the interactions between the sucrose molecules, yielding models of the observed self-assembled patterns on the surface.
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https://hal.laas.fr/hal-02146428
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Submitted on : Monday, June 3, 2019 - 11:22:37 PM
Last modification on : Friday, November 1, 2019 - 1:25:15 AM

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LAAS | UNIV-TLSE3 | CNRS | SINANO | CEMES | INSA-TOULOUSE | LAAS-ROBOTIQUE | LAAS-RIS | INSA-GROUPE | UT1-CAPITOLE | UNIV-TLSE2 | IRD | INC-CNRS

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Sabine Abb, Nathalie Tarrat, Juan Cortés, Bohdan Andriyevsky, Ludger Harnau, et al.. Carbohydrate Self-Assembly at Surfaces: STM Imaging of Sucrose Conformation and Ordering on Cu(100). Angewandte Chemie International Edition, Wiley-VCH Verlag, 2019, 58 (25), pp.8336-8340. ⟨10.1002/anie.201901340⟩. ⟨hal-02146428⟩

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