STM, FTIR and quantum chemical calculation studies of acetate structures on Cu() surfaces

York, Scott; Haq, S.; Kilway, Kathleen V.; Phillips, James M.; Leibsle, F.M.

doi:10.1016/s0039-6028(02)02248-3

Cited by 30 publications

(21 citation statements)

References 30 publications

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“…Interestingly, condensed carboxylate layers have been observed on other surfaces. A dense c(2 × 2) acetate structure was reported previously for Cu(110) (refs 24 , 26 ) and Ni(110) (refs 27 , 28 ). However, the driving force for assembly and metal atom incorporation—in a somewhat different fashion than for acetate on Au(110)—was not investigated in the mentioned studies.…”

Section: Discussionsupporting

confidence: 65%

“…2e ), consistently with ∼ 0.25 ML coverage deduced from the initial O coverage. The c(2 × 2) acetate structure has been reported on Cu(110) (refs 23 , 24 , 25 , 26 ) and Ni(110) (refs 27 , 28 ) and the molecule adsorption geometry is bidentate top, with the two oxygen atoms in acetate binding to two topmost Au atoms along the close packed rows. Our DFT calculations show the same preferred adsorption geometry on Au(110) ( Supplementary Fig.…”

Section: Resultsmentioning

confidence: 97%

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Self-assembly of acetate adsorbates drives atomic rearrangement on the Au(110) surface

et al. 2016

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Weak inter-adsorbate interactions are shown to play a crucial role in determining surface structure, with major implications for its catalytic reactivity. This is exemplified here in the case of acetate bound to Au(110), where the small extra energy of the van der Waals interactions among the surface-bound groups drives massive restructuring of the underlying Au. Acetate is a key intermediate in electro-oxidation of CO2 and a poison in partial oxidation reactions. Metal atom migration originates at surface defects and is likely facilitated by weakened Au–Au interactions due to bonding with the acetate. Even though the acetate is a relatively small molecule, weak intermolecular interaction provides the energy required for molecular self-assembly and reorganization of the metal surface.

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Section: Discussionsupporting

confidence: 65%

Section: Resultsmentioning

confidence: 97%

Self-assembly of acetate adsorbates drives atomic rearrangement on the Au(110) surface

et al. 2016

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“…This functional, in combination with the 6-31+G(d) [48][49][50] basis for the C,O and H atoms, and the LANL2DZ [51] effective core potential and associated double zeta basis set for describing the metal atoms, has been proven to yield theoretical harmonic frequencies that compare remarkably well with the experimental values measured for adsorbed acetate on Cu [52,53], Ag [16] and Au [36] surfaces. Frequency values were calculated for overall charge values of −1 and 0, in order to check the effect of eventual discharge of the adsorbed glycolate species on their vibrational behaviour.…”

Section: Computational Detailsmentioning

confidence: 68%

Glycolate adsorption at gold and platinum electrodes: A theoretical and in situ spectroelectrochemical study

Delgado

Blanco

Orts

et al. 2010

Electrochimica Acta

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“…Eosin Y exhibits its main peaks at 1554, 1456, and 1350 cm −1 assigned to the COO − anti-symmetric, quinone-like C=O, and COO − symmetric stretching vibrations, respectively [20,49]. The acetate ion of zinc acetate exhibited peaks at 1560, 1450−1390, and 680 cm −1 assigned to the COO − anti-symmetric stretching, symmetric stretching, and out-of-plane bending vibrations, respectively [50][51][52][53].…”

Section: Resultsmentioning

confidence: 99%

Interaction between dye and zinc in the dye-dispersing ZnO films prepared by a wet process

et al. 2014

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Dye-dispersing ZnO precursor gel films were prepared on indium tin oxide electrodes from a zinc acetate solution containing eosin Y by dip-coating, steam treatment, and then heating at a low temperature. The electronic interaction between the dye and zinc in the dye-dispersing gel films were investigated by spectroscopic and electrochemical measurements. A photocurrent was observed in the dye-dispersing gel electrodes before the steam treatment. The photocurrent value increased by the steam treatment and heating due to crystallization of the gel and removal of organic impurities. The dye molecules existed between the interlayers of the layered zinc hydroxide coexisting with the ZnO. The photoexcited electron in the dye should be injected into the ZnO conduction band via the layered zinc hydroxide. The value increased with an increase in the dye content even though the ZnO crystallinity decreased.The dye-zinc interaction, i.e., the complex formation and photoinduced electron injection, played an important role in the electron transport and photoelectric conversion.

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STM, FTIR and quantum chemical calculation studies of acetate structures on Cu() surfaces

Cited by 30 publications

References 30 publications

Self-assembly of acetate adsorbates drives atomic rearrangement on the Au(110) surface

Self-assembly of acetate adsorbates drives atomic rearrangement on the Au(110) surface

Glycolate adsorption at gold and platinum electrodes: A theoretical and in situ spectroelectrochemical study

Interaction between dye and zinc in the dye-dispersing ZnO films prepared by a wet process

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