Fivefold Symmetry and 2D Crystallization: Self‐Assembly of the Buckybowl Pentaindenocorannulene on a Cu(100) Surface

Mairena, Anaïs; Zoppi, Laura; Lampart, Samuel; Baldridge, Kim K.; Siegel, Jay S.; Ernst, Karl‐Heinz

doi:10.1002/chem.201902504

Cited by 5 publications

(7 citation statements)

References 46 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The observation of a cavity-up configuration is not supported by previous DFT calculations, which did not consider vacancies in the surface . Relaxation starting from a cavity-up adsorption mode leads to tilted configurations with maximal van der Waals (vdW) contact to the surface and presumably smaller Pauli repulsion (Table S2).…”

Section: Resultsmentioning

confidence: 68%

“…The observation of a cavity-up configuration is not supported by previous DFT calculations, which did not consider vacancies in the surface. 38 Relaxation starting from a cavity-up adsorption mode leads to tilted configurations with maximal van der Waals (vdW) contact to the surface and presumably smaller Pauli repulsion (Table S2). 35,38 Nevertheless, Note that for C 60 on Cu(100) multiple-atom vacancies, leading to a reconstructed stripe phase, has been observed, 49 and C 60 -induced vacancies were also observed on Cu(111) and Pt surfaces.…”

Section: Modification With Pentaindenocorannulenementioning

confidence: 99%

“…38 Relaxation starting from a cavity-up adsorption mode leads to tilted configurations with maximal van der Waals (vdW) contact to the surface and presumably smaller Pauli repulsion (Table S2). 35,38 Nevertheless, Note that for C 60 on Cu(100) multiple-atom vacancies, leading to a reconstructed stripe phase, has been observed, 49 and C 60 -induced vacancies were also observed on Cu(111) and Pt surfaces. 50,51 Adsorption on a 4-adatom cluster or the presence of 8 surrounding adatoms also yields a stable cavity-up configuration in DFT (Table S2), but these structures strongly disagree with the AFM height results (Figure S1 and Table S3).…”

Section: Modification With Pentaindenocorannulenementioning

confidence: 99%

“…As the origin of the tilted configuration of isolated buckybowls, special binding configurations to the surface, e . g ., C6 rings over hollow sites, maximization of van der Waals contact, and minimization of Pauli repulsion, have been discussed …”

mentioning

confidence: 99%

“…37 As the origin of the tilted configuration of isolated buckybowls, special binding configurations to the surface, e.g., C6 rings over hollow sites, maximization of van der Waals contact, and minimization of Pauli repulsion, have been discussed. 38 In order to achieve a defined surface functionalization with CNT caps, the buckybowl pentaindenocorannulene 39−44 (PIC, Figure 1b) seems the logical choice. Its cyclodehydrogenation should yield a C 50 H 10 entity that could become upon further dehydrogenation a standing CNT.…”

mentioning

confidence: 99%

See 4 more Smart Citations

On-Surface Hydrogenation of Buckybowls: From Curved Aromatic Molecules to Planar Non-Kekulé Aromatic Hydrocarbons

et al. 2020

Self Cite

View full text Add to dashboard Cite

Functionalization of surfaces with derivatives of Buckminsterfullerene fragment molecules seems a promising approach towards bottom up fabrication of carbon nanotube modified electrode surfaces. The modification of a Cu(100) surface with molecules of the buckybowl pentaindenocorannulene has been studied by means of scanning tunneling microscopy, carbon monoxide-modified non-contact atomic force microscopy, time-of-flight secondary mass spectrometry and quantum chemical calculations. Two different adsorbate modes are identified, in which the majority is oriented such that the bowl cavity points away from the surface and the convex side is partially immersed into a fouratom vacancy in the Cu(100) surface. A minority is oriented such that the convex side points away from the surface with the five benzo tabs oriented basically parallel to the surface. Thermal annealing leads to hydrogenation and planarization of the molecules in two steps under specific C-C bond cleavage. The benzo tabs of the convex side up species serve as hydrogen source. The final product has an open shell electron structure that is quenched on the surface.

show abstract

Section: Resultsmentioning

confidence: 68%

Section: Modification With Pentaindenocorannulenementioning

confidence: 99%

Section: Modification With Pentaindenocorannulenementioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

On-Surface Hydrogenation of Buckybowls: From Curved Aromatic Molecules to Planar Non-Kekulé Aromatic Hydrocarbons

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

Growth Dynamics and Electron Reflectivity in Ultrathin Films of Chiral Heptahelicene on Metal (100) Surfaces Studied by Spin‐Polarized Low Energy Electron Microscopy

Baljozović

Cauduro

Seibel

et al. 2021

Physica Status Solidi (b)

Self Cite

View full text Add to dashboard Cite

Molecular layers on surfaces have been widely used to study effects occurring at molecule/substrate interfaces. By controlling kinetic and thermodynamic conditions during the assembly of nano-objects, in particular molecules and atoms, various patterns of self-assembled, metalcoordinated or covalently linked structures have been obtained by careful selection of the components and surface symmetry. [1] Not only are these patterns interesting for their topologies, they also were found to induce interesting interface phenomena. For example, (sub)monolayer films of pentacene molecules on Cu(110) were introducing significant surface state shifts dependent on the coverage. [2] In addition, Co phthalocyanine molecules were used to manipulate the topological interface of Bi 2 Se 3 and Mn phthalocyanine molecules induced formation of Yu-Shiba-Rusinov states when adsorbed on superconducting Pb(111) substrate. [3,4] Assembled in checkerboard manner Mn and Fe phthalocyanine molecules formed a 2D ferrimagnet via Ruderman-Kittel-Kasuya-Yosida interactions through the surface state of Au(111). [5] Molecules were also shown to induce magnetism at Au interface "creatio ex nihilo". [6] Recently, it was demonstrated that molecular layers of Buckminsterfullerenes can induce ferromagnetism in Cu and Mn by beating the Stoner criteria. [7] Molecular layers of chiral molecules, on the contrary, showed the so-called chirality-induced spin selectivity (CISS), an effect of chirality-dependent transmission of electrons through the molecules. [8] Chiral molecules where shown to switch magnetization of underlying ferromagnetic Ni substrate. [9] And there are even examples of enantioseparation due to differences in interaction with underlying magnetic substrates. [10,11] Depending on the magnetization direction, differences of %80 meV in work function of chiral peptide layer on top of an out-of-plane ferromagnetic substrate were reported. [12] Helical aromatic hydrocarbons, so-called helicenes, have played an important role in understanding chiral crystallization when studied at surfaces by scanning tunneling microscopy (STM). [13] At coverages above a monolayer of rac-[7]H, enantiospecific separation from zigzag rows with alternating enantiomers into the separate layers occurred leading to a layered racemate

show abstract

Supramolecular Anisotropy in a Surface-Confined Bicomponent System

Wen

Lin

et al. 2022

J. Phys. Chem. C

View full text Add to dashboard Cite

Anisotropical engineering of surface-confined supramolecules provides a potential approach to precisely tweaking the properties and performance of low-dimensional molecular nanomaterials. Here, we report the construction of a surface-confined bicomponent supramolecular structure that features structural anisotropy by combined scanning tunneling microscopy and density functional theory studies. One-dimensional supramolecular ribbons formed by corannulene with either titanyl phthalocyanine or copper phthalocyanine exclusively extend along the equivalent ⟨11̅0⟩ directions on Ag(111). Such a supramolecular anisotropy is demonstrated as a result of the combined effects of molecule–substrate commensurability and intermolecular interaction relaxation, which leads to orientation-dependent energy cost for commensurate growth of the supramolecular ribbon on Ag(111). These findings provide insights into the mediation effect of the fine balance between the molecule–substrate and intermolecular interactions on the supramolecular structures, offering an efficient methodology for supramolecular anisotropical engineering.

show abstract

Fivefold Symmetry and 2D Crystallization: Self‐Assembly of the Buckybowl Pentaindenocorannulene on a Cu(100) Surface

Cited by 5 publications

References 46 publications

On-Surface Hydrogenation of Buckybowls: From Curved Aromatic Molecules to Planar Non-Kekulé Aromatic Hydrocarbons

On-Surface Hydrogenation of Buckybowls: From Curved Aromatic Molecules to Planar Non-Kekulé Aromatic Hydrocarbons

Growth Dynamics and Electron Reflectivity in Ultrathin Films of Chiral Heptahelicene on Metal (100) Surfaces Studied by Spin‐Polarized Low Energy Electron Microscopy

Supramolecular Anisotropy in a Surface-Confined Bicomponent System

Contact Info

Product

Resources

About