title: Nanopatterning of Surfaces with Monometallic and Heterobimetallic 1D Coordination Polymers: A Molecular Tectonics Approach at the Solid/Liquid Interface.
abstract: The self-assembly of multiple molecular components into complex supramolecular architectures is ubiquitous in nature and constitutes one of the most powerful strategies to fabricate multifunctional nanomaterials making use of the bottom-up approach. When spatial confinement in two dimensions on a solid substrate is employed, this approach can be exploited to generate periodically ordered structures from suitably designed molecular tectons. In this study we demonstrate that physisorbed directional periodic arrays of monometallic or heterobimetallic coordination polymers can be generated on a highly oriented pyrolitic graphite surface by combinations of a suitably designed directional organic tecton or metallatecton based on a porphyrin or nickel(II) metalloporphyrin backbone bearing both a pyridyl unit and a terpyridyl unit acting as coordinating sites for CoCl2. The periodic architectures were visualized at the solid/liquid interface with a submolecular resolution by scanning tunneling microscopy and corroborated by combined density functional and time-dependent density functional theory calculations. The capacity to nanopattern the surface for the first time with two distinct metallic centers exhibiting different electronic and optical properties is a key step toward the bottom-up construction of robust multicomponent and, thus, multifunctional molecular nanostructures and nanodevices.
authors.forename: Mohamed
authors.initials: M
authors.lastname: El Garah
authors.affiliation: §Laboratoire de Tectonique Moléculaire, UMR UdS-CNRS 7140 and icFRC, Institut Le Bel, Université de Strasbourg, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Marets
authors.affiliation: ∥Institut d'Etudes Avancées (USIAS), Université de Strasbourg, 5 allée du Général Rouvillois, 67083 Strasbourg, France.
authors.forename: Matteo
authors.initials: M
authors.lastname: Mauro
authors.forename: Alessandro
authors.initials: A
authors.lastname: Aliprandi
authors.forename: Sara
authors.initials: S
authors.lastname: Bonacchi
authors.forename: Luisa
authors.initials: L
authors.lastname: De Cola
authors.forename: Artur
authors.initials: A
authors.lastname: Ciesielski
authors.affiliation: §Laboratoire de Tectonique Moléculaire, UMR UdS-CNRS 7140 and icFRC, Institut Le Bel, Université de Strasbourg, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France.
authors.forename: Véronique
authors.initials: V
authors.lastname: Bulach
authors.affiliation: §Laboratoire de Tectonique Moléculaire, UMR UdS-CNRS 7140 and icFRC, Institut Le Bel, Université de Strasbourg, 4 rue Blaise Pascal, CS 90032, 67081 Strasbourg, France.
authors.forename: Mir Wais
authors.initials: MW
authors.lastname: Hosseini
authors.forename: Paolo
authors.initials: P
authors.lastname: Samorì