Sylvain Clair
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View article: Photoinduced modulation of the oxidation state of dibenzothiophene S-oxide molecules on an insulating substrate
Photoinduced modulation of the oxidation state of dibenzothiophene S-oxide molecules on an insulating substrate Open
On-surface chemistry aims to overcome the limitations of conventional in-solution synthesis by taking advantage of the confinement in two dimensions to master highly ordered covalent structures with tailored properties. So far, most of the…
View article: Competing pathways to aromaticity governed by amine dehydrogenation and metal–organic complexation in on-surface synthesis
Competing pathways to aromaticity governed by amine dehydrogenation and metal–organic complexation in on-surface synthesis Open
Two distinct reaction pathways are observed on metal surfaces to preserve the dimer aromaticity.
View article: Photoinduced Modulation of the Oxidation State of Dibenzothiophene S-Oxide Molecules on an Insulating Substrate
Photoinduced Modulation of the Oxidation State of Dibenzothiophene S-Oxide Molecules on an Insulating Substrate Open
On-surface chemistry aims to overcome the limitations of conventional in-solution synthesis by taking advantage of the confinement in two dimensions to master highly ordered covalent structures with tailored properties. So far, most of the…
View article: Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements
Stiffness calibration of qPlus sensors at low temperature through thermal noise measurements Open
Non-contact atomic force microscopy (nc-AFM) offers a unique experimental framework for topographical imaging of surfaces with atomic and/or sub-molecular resolution. The technique also permits to perform frequency shift spectroscopy to qu…
View article: Growth Mechanism of Chevron Graphene Nanoribbons on (111)-Oriented Coinage Metal Surfaces
Growth Mechanism of Chevron Graphene Nanoribbons on (111)-Oriented Coinage Metal Surfaces Open
International audience
View article: Manipulation of the Magnetic State of a Porphyrin-Based Molecule on Gold: From Kondo to Quantum Nanomagnet via the Charge Fluctuation Regime
Manipulation of the Magnetic State of a Porphyrin-Based Molecule on Gold: From Kondo to Quantum Nanomagnet via the Charge Fluctuation Regime Open
By moving individual Fe-porphyrin-based molecules with the tip of a scanning tunneling microscope in the vicinity of the elbow of the herringbone-reconstructed Au(111) containing a Br atom, we reversibly and continuously control their magn…
View article: Self-assembly of <i>s</i>-indacene-tetrone on Cu(111): molecular trapping and patterning of Cu adatoms
Self-assembly of <i>s</i>-indacene-tetrone on Cu(111): molecular trapping and patterning of Cu adatoms Open
The supramolecular self-assembly of indacene-tetrone on the Cu(111) surface exhibits a variety of well-ordered phases stabilized by different bonding types depending on the annealing temperature.
View article: On‐Surface Synthesis of Unsaturated Hydrocarbon Chains through C−S Activation
On‐Surface Synthesis of Unsaturated Hydrocarbon Chains through C−S Activation Open
We use an on‐surface synthesis approach to drive the homocoupling reaction of a simple dithiophenyl‐functionalized precursor on Cu(111). The C−S activation reaction is initiated at low annealing temperature and yields unsaturated hydrocarb…
View article: Self-Accommodating Honeycomb Networks from Supramolecular Self-Assembly of <i>s</i>-Indacene-tetrone on Silver Surfaces
Self-Accommodating Honeycomb Networks from Supramolecular Self-Assembly of <i>s</i>-Indacene-tetrone on Silver Surfaces Open
We describe the self-assembly of s-indacene-tetrone on Ag(111), Ag(100), and Ag(110) surfaces and the formation of three hydrogen-bonded supramolecular phases representing a complex self-accommodating honeycomb network. The differences in …
View article: On-surface homocoupling reactivity of a chiral bifunctional bromoindanone molecule on Cu(111)
On-surface homocoupling reactivity of a chiral bifunctional bromoindanone molecule on Cu(111) Open
Sequential reactivity is creating various kinds of macromolecular compounds with distinct prochirality using an on-surface synthesis approach.
View article: Stereoisomeric selection upon adsorption: A structural and optical study of curcuminoid derivatives on ultrathin films of KCl on Au(111) and on bulk KCl(001)
Stereoisomeric selection upon adsorption: A structural and optical study of curcuminoid derivatives on ultrathin films of KCl on Au(111) and on bulk KCl(001) Open
We present a combined scanning tunneling microscopy (STM), noncontact atomic force microscopy (nc-AFM), and differential reflectance spectroscopy (DRS) study aiming at the characterization of the relationship between structural and optical…
View article: Role of the Structure and Reactivity of Cu and Ag Surfaces in the Formation of a 2D Metal–Hexahydroxytriphenylene Network
Role of the Structure and Reactivity of Cu and Ag Surfaces in the Formation of a 2D Metal–Hexahydroxytriphenylene Network Open
International audience
View article: Edge-On Self-Assembly of Tetra-bromoanthracenyl-porphyrin on Silver Surfaces
Edge-On Self-Assembly of Tetra-bromoanthracenyl-porphyrin on Silver Surfaces Open
International audience
View article: Forming Weakly Interacting Multilayers of Graphene Using Atomic Force Microscope Tip Scanning and Evidence of Competition between Inner and Outer Raman Scattering Processes Piloted by Structural Defects
Forming Weakly Interacting Multilayers of Graphene Using Atomic Force Microscope Tip Scanning and Evidence of Competition between Inner and Outer Raman Scattering Processes Piloted by Structural Defects Open
We report on an alternative route based on nanomechanical folding induced by AFM tip to obtain weakly interacting multi-layer graphene (wi-MLG) from a chemical vapor deposition (CVD) grown single-layer graphene (SLG). The tip first cuts, t…
View article: Persistent Homology to Quantify the Quality of Surface‐Supported Covalent Networks
Persistent Homology to Quantify the Quality of Surface‐Supported Covalent Networks Open
Covalent networks formed by on‐surface synthesis usually suffer from the presence of a large number of defects. We report on a methodology to characterize such two‐dimensional networks from their experimental images obtained by scanning pr…
View article: Controlling a Chemical Coupling Reaction on a Surface: Tools and Strategies for On-Surface Synthesis
Controlling a Chemical Coupling Reaction on a Surface: Tools and Strategies for On-Surface Synthesis Open
On-surface synthesis is appearing as an extremely promising research field aimed at creating new organic materials. A large number of chemical reactions have been successfully demonstrated to take place directly on surfaces through unusual…
View article: Triangular Regulation of Cucurbit[8]uril 1:1 Complexes
Triangular Regulation of Cucurbit[8]uril 1:1 Complexes Open
Triangular shapes have inspired scientists over time and are common in nature, such as the flower petals of oxalis triangularis, the triangular faces of tetrahedrite crystals, and the icosahedron faces of virus capsids. Supramolecular chem…
View article: Covalent organic frameworks from a monomer with reduced symmetry: polymorphism and Sierpiński triangles
Covalent organic frameworks from a monomer with reduced symmetry: polymorphism and Sierpiński triangles Open
Polymorphism in surface-supported covalent organic frameworks grown from a low-symmetry precursor.
View article: CCDC 1872438: Experimental Crystal Structure Determination
CCDC 1872438: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Bottom-up synthesis of porphyrin based graphene nanoribbons and nanomeshes
Bottom-up synthesis of porphyrin based graphene nanoribbons and nanomeshes Open
The outstanding properties of graphene strongly inspire the scientific community at both the fundamental and applicative levels for high performance electronics, low power spintronics, renewable energy, composites materials and biomedicine…
View article: Spatially resolved acyl transfer on surface by organo-catalytic scanning probe nanolithography (o-cSPL)
Spatially resolved acyl transfer on surface by organo-catalytic scanning probe nanolithography (o-cSPL) Open
Local and catalytic acyl transfer for multipatterning of surfaces.
View article: Microwave-Mediated Synthesis of Bulky Lanthanide Porphyrin–Phthalocyanine Triple-Deckers: Electrochemical and Magnetic Properties
Microwave-Mediated Synthesis of Bulky Lanthanide Porphyrin–Phthalocyanine Triple-Deckers: Electrochemical and Magnetic Properties Open
Five heteroleptic lanthanide porphyrin-bis-phthalocyanine triple-decker complexes with bulky peripheral groups were prepared via microwave-assisted synthesis and characterized in terms of their spectroscopic, electrochemical, and magnetic …
View article: On-surface synthesis of aligned functional nanoribbons monitored by scanning tunnelling microscopy and vibrational spectroscopy
On-surface synthesis of aligned functional nanoribbons monitored by scanning tunnelling microscopy and vibrational spectroscopy Open
In the blooming field of on-surface synthesis, molecular building blocks are designed to self-assemble and covalently couple directly on a well-defined surface, thus allowing the exploration of unusual reaction pathways and the production …