2012
DOI: 10.1021/la303010p
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Binding Geometry of Hydrogen-Bonded Chain Motif in Self-Assembled Gratings and Layers on Ag(111)

Abstract: Upon adsorption on the (111) facet of Ag, 4-[trans-2-(pyrid-4-yl-vinyl)] benzoic acid (PVBA) self-assembles into a highly ordered, chiral twin chain structure at submonolayer coverages with domains that can extend for micrometers in one dimension. Using polarization-dependent measurements of C and N K-shell excitations in near-edge X-ray absorption fine structure (NEXAFS) spectra, we determine the binding geometry of single PVBA molecules within this unique ensemble for both low and high coverage regimes. At s… Show more

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Cited by 12 publications
(13 citation statements)
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“…P3-C at 285.0 eV represents the carbon atoms in the pyridine ring. 6,9 Finally, the binding energy distance between P1-C and P4-C, around 1 eV, is constant throughout the whole annealing process (not shown here): therefore we tentatively assigned this component to a shake-up process.…”
Section: Xps Confirms the Presence Of N For All The Heterostructuresmentioning
confidence: 71%
See 2 more Smart Citations
“…P3-C at 285.0 eV represents the carbon atoms in the pyridine ring. 6,9 Finally, the binding energy distance between P1-C and P4-C, around 1 eV, is constant throughout the whole annealing process (not shown here): therefore we tentatively assigned this component to a shake-up process.…”
Section: Xps Confirms the Presence Of N For All The Heterostructuresmentioning
confidence: 71%
“…All XPS spectra have been fitted by a convolution of a Lorentzian and a Gaussian functions with typical widths of 180 meV and 900 meV, respectively. The main peak P1-C at 284.3 can be assigned to the sp2 C atoms in the aromatic rings [6][7][8] , while P2-C (283.7) to C atoms bonded to H atoms. The binding energy difference between P1 and P2 (0.6 eV) is consistent with this assignation [6][7][8] .…”
Section: Xps Confirms the Presence Of N For All The Heterostructuresmentioning
confidence: 99%
See 1 more Smart Citation
“…Ordered SAMs have been obtained by depositing a variety of molecules on several surfaces (including metals, semiconductors and insulators) and identifying the main parameters leading to the final molecular superstructure. A plethora of conformational moieties has been identified and studied in different conditions (solid-vacuum, solid-air and solid-liquid interfaces), unveiling the details of the assembly [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41]. The subtle balance between intermolecular and molecule-surface interactions governs molecular self-assembly on surfaces which can be controlled by changing the molecules (composition and geometry), the substrate, the chirality, and external factors, such as temperature and pH.…”
Section: From Molecular Self-assembly To Surface-confined Polymerizationmentioning
confidence: 99%
“…NEXAFS spectroscopy is often used to study the chemical composition [1][2][3][4][5][6][7] and bonding [1,[8][9][10] in organic molecules. In NEXAFS spectroscopy, spectral features are often described as one electron transitions from core electron (e.g.…”
Section: Introductionmentioning
confidence: 99%