title: Surface-confined self-assembled Janus tectons: a versatile platform towards the noncovalent functionalization of graphene.
abstract: A general strategy for simultaneously generating surface-based supramolecular architectures on flat sp(2) -hybridized carbon supports and independently exposing on demand off-plane functionality with controlled lateral order is highly desirable for the noncovalent functionalization of graphene. Here, we address this issue by providing a versatile molecular platform based on a library of new 3D Janus tectons that form surface-confined supramolecular adlayers in which it is possible to simultaneously steer the 2D self-assembly on flat C(sp(2))-based substrates and tailor the external interface above the substrate by exposure to a wide variety of small terminal chemical groups and functional moieties. This approach is validated throughout by scanning tunneling microscopy (STM) at the liquid-solid interface and molecular mechanics modeling studies. The successful self-assembly on graphene, together with the possibility to transfer the graphene monolayer onto various substrates, should considerably extend the application of our functionalization strategy.
authors.affiliation: Institut Parisien de Chimie Moléculaire, Chimie des Polymères, UMR CNRS 8232, Université Pierre et Marie Curie, 3 rue Galilée, 94200 Ivry (France).
authors.forename: Ping
authors.initials: P
authors.lastname: Du
authors.forename: Maud
authors.initials: M
authors.lastname: Jaouen
authors.forename: Amandine
authors.initials: A
authors.lastname: Bocheux
authors.forename: Cyril
authors.initials: C
authors.lastname: Bourgogne
authors.forename: Zheng
authors.initials: Z
authors.lastname: Han
authors.forename: Vincent
authors.initials: V
authors.lastname: Bouchiat
authors.forename: David
authors.initials: D
authors.lastname: Kreher
authors.forename: Fabrice
authors.initials: F
authors.lastname: Mathevet
authors.forename: Céline
authors.initials: C
authors.lastname: Fiorini-Debuisschert
authors.forename: Fabrice
authors.initials: F
authors.lastname: Charra
authors.forename: André-Jean
authors.initials: AJ
authors.lastname: Attias
keywords: Janus tectons; graphene; scanning probe microscopy; self-assembly; supramolecular chemistry