On-surface products from de-fluorination of C<sub>60</sub>F<sub>48</sub> on Ag(111): C<sub>60</sub>, C<sub>60</sub>F<sub><i>x</i></sub> and silver fluoride formation
Esther Barrena, Rogger Palacios-Rivera, Adara Babuji, Luca Schio, Massimo Tormen, Luca Floreano, Carmen Ocal
Abstract
. Strong indications of silver fluoride formation are provided. The chemical footprint of fluorinated fullerenes emerges at relatively low molecular coverage indicating that the degree of fullerene de-fluorination decreases (from total to partial de-fluorination) as molecules are deposited. Full de-fluorination stops well before the substrate surface is completely covered by fullerenes. At the molecular level, the fluorine loss observed by spectroscopic techniques is supported by scanning tunneling microscopy imaging. Both molecules and metal surface are importantly involved in the process.
Topics & Concepts
ChemistryCrystallographyAnalytical Chemistry (journal)Materials scienceMineralogyOrganic chemistryFullerene Chemistry and ApplicationsGraphene research and applicationsAdvanced Chemical Physics Studies