ACS Nano
ACS Nano
5 years ago

Tuning the Electronic and Dynamical Properties of a Molecule by Atom Trapping Chemistry

Tuning the Electronic and Dynamical Properties of a Molecule by Atom Trapping Chemistry
Yann Girard, Yannick J. Dappe, Van Dong Pham, Enrique Abad, Vincent Repain, Jérôme Lagoute, Amandine Bellec, Sylvie Rousset, Cyril Chacon, Alexander Smogunov
The ability to trap adatoms with an organic molecule on a surface has been used to obtain a range of molecular functionalities controlled by the choice of the molecular trapping site and local deprotonation. The tetraphenylporphyrin molecule used in this study contains three types of trapping sites: two carbon rings (phenyl and pyrrole) and the center of a macrocycle. Catching a gold adatom on the carbon rings leads to an electronic doping of the molecule, whereas trapping the adatom at the macrocycle center with single deprotonation leads to a molecular rotor and a second deprotonation leads to a molecular jumper. We call “atom trapping chemistry” the control of the structure, electronic, and dynamical properties of a molecule achieved by trapping metallic atoms with a molecule on a surface. In addition to the examples previously described, we show that more complex structures can be envisaged.

Publisher URL: http://dx.doi.org/10.1021/acsnano.7b05235

DOI: 10.1021/acsnano.7b05235

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