title: Single-molecule dynamics in a self-assembled 2D molecular sieve.
abstract: A two-dimensional molecular sieve has been realized. It consists of a host matrix of molecularly engineered building blocks self-assembled at the liquid-solid interface. The simultaneous size- and shape-dependent dynamics of different guest molecules is observed in situ, in real time with submolecular resolution using a scanning tunneling microscope both at the liquid-solid interface and under vacuum. The temperature-dependent dynamics reveals that the diffusion proceeds through thermally activated channeling between single-molecule surface cavities.
authors.affiliation: Service de Physique et Chimie des Surfaces et Interfaces, Commissariat à l'Energie Atomique, Centre de Saclay, Gif-sur-Yvette, France.
authors.forename: Guillaume
authors.initials: G
authors.lastname: Schull
authors.forename: Ludovic
authors.initials: L
authors.lastname: Douillard
authors.forename: Céline
authors.initials: C
authors.lastname: Fiorini-Debuisschert
authors.forename: Fabrice
authors.initials: F
authors.lastname: Charra
authors.forename: Fabrice
authors.initials: F
authors.lastname: Mathevet
authors.forename: David
authors.initials: D
authors.lastname: Kreher
authors.forename: André-Jean
authors.initials: AJ
authors.lastname: Attias
mesh_terms: D004058:Diffusion; D008958:Models, Molecular; D015394:Molecular Structure; D036103:Nanotechnology; D011083:Polycyclic Compounds / Q000737:chemistry; D013267:Stilbenes / Q000737:chemistry*; D013499:Surface Properties; D013696:Temperature
chemical_list: D011083:Polycyclic Compounds; D013267:Stilbenes; C507240:hexa-peri-hexabenzocoronene; C012256:coronene