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Control of Molecule–Metal Interaction by Hydrogen Manipulation in an Organic Molecule

Van Pham 1 Vincent Repain 1 Cyril Chacon 1 Amandine Bellec 1 Yann Girard 1 Sylvie Rousset 1 Alexander Smogunov 2 Yannick J. Dappe 2 Jerome Lagoute 1, *
* Corresponding author
2 GMT - Groupe Modélisation et Théorie
IRAMIS - Institut Rayonnement Matière de Saclay, SPEC - UMR3680 - Service de physique de l'état condensé
Abstract : Free-base porphyrin molecules offer appealing options to tune the interaction with their environment via the manipulation of their inner hydrogen atoms and molecular conformation. Using scanning tunneling microscopy we show, through a systematic study, that the molecular conformation, electronic gap, wave function, and molecule−substrate interaction are modified by hydrogen switch or removal. Experimental results in combination with ab initio calculations provide an understanding of the underlying physical process.
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Van Pham, Vincent Repain, Cyril Chacon, Amandine Bellec, Yann Girard, et al.. Control of Molecule–Metal Interaction by Hydrogen Manipulation in an Organic Molecule. Journal of Physical Chemistry Letters, American Chemical Society, 2016, 7 (8), pp.1416 - 1421. ⟨10.1021/acs.jpclett.6b00476⟩. ⟨cea-01485682⟩

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