Copper surface oxidation induced by a local alkalization.

Title: Copper surface oxidation induced by a local alkalization.

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Abstract

No abstract prepared.

Authors:

Vasiljevic, Natasa; Missert, Nancy A.; Copeland, Robert Guild; Dimitrov, N.; Viyannalage, L.K.T. ^[1]

(State University of New York at Binghamton, NY)

Publication Date:: Thu Dec 01 00:00:00 EST 2005

Research Org.:: Sandia National Laboratories

Sponsoring Org.:: USDOE

OSTI Identifier:: 886657

Report Number(s):: SAND2005-8014J
TRN: US200616%%1057

DOE Contract Number:: AC04-94AL85000

Resource Type:: Journal Article

Resource Relation:: Journal Name: Proposed for publication in ECS Transactions/208th ECS Meeting Proceedings Volume.

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; COPPER; OXIDATION; SURFACES; HYDROXIDES; CHEMICAL REACTIONS

Citation Formats


                    Vasiljevic, Natasa, Missert, Nancy A., Copeland,
            Robert Guild, Dimitrov, N., and Viyannalage, L.K.T. Copper surface oxidation induced by a local alkalization..  United States: N. p., 2005. 
        Web.

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                    Vasiljevic, Natasa, Missert, Nancy A., Copeland,
            Robert Guild, Dimitrov, N., & Viyannalage, L.K.T. Copper surface oxidation induced by a local alkalization..  United States.

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                    Vasiljevic, Natasa, Missert, Nancy A., Copeland,
            Robert Guild, Dimitrov, N., and Viyannalage, L.K.T. Thu .  
        "Copper surface oxidation induced by a local alkalization.".  United States.  
        doi:.

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@article{osti_886657,

  title        = {Copper surface oxidation induced by a local alkalization.},

  author       = {Vasiljevic, Natasa and Missert, Nancy A. and Copeland,
            Robert Guild and Dimitrov, N. and Viyannalage, L.K.T.},

  abstractNote = {No abstract prepared.},

  doi          = {},

  journal      = {Proposed for publication in ECS Transactions/208th ECS Meeting Proceedings Volume.},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Thu Dec 01 00:00:00 EST 2005},

  month        = {Thu Dec 01 00:00:00 EST 2005}

}

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Oxidation of the Cu (100) surface induced by local alkalization.

Vasiljevic, Natasa ; Missert, Nancy A. ; Copeland, Robert Guild ; ... - Proposed for publication in Journal of the Electrochemical Society.

No abstract prepared.
Comment on {open_quotes}carbon monoxide oxidation over three different oxidation states of copper: Metallic copper, copper (I) oxide, and copper (II) oxide - a surface science and kinetic study{close_quotes}

Jernigan, G.G. ; Somorjai, G.A. - Journal of Catalysis

Here, the authors pursue suggestions given by Jernigan and Samorjai with some independent data obtained earlier in this laboratory and published mainly in the Russian editions and conference proceedings. These relate to CO oxidation on the bulk powdered CuO, samples in a broader temperature range (25-310{degrees}C) and with the oxidizing reaction mixtures, carried out in a pulse/flow setup with a vibrofluidized bed reactor. In these experiments, a pulse technique at relatively short contact times (a volume of pulse divided by a volume rate of He) ca 10 s allowed one to probe catalytic properties of the various Cu-O phases atmore »« less
Carbon monoxide oxidation over three different oxidation states of copper: Metallic copper, copper (I) oxide, and copper (II) oxide - a surface science and kinetic study

Jernigan, G.G. ; Somorjai, G.A. - Journal of Catalysis; (United States)

Reaction rates and activation energies were measured for carbon monoxide oxidation over thin films of metallic copper, copper (I) oxide, and copper (II) oxide grown on graphite. The reactions were carried out in the temperature range 200-350[degrees]C at total pressures of 100 Torr. Auger Electron Spectroscopy (AES) and X-ray Photoelectron Spectroscopy (XPS) were used to characterize the growth and oxidation states of the copper films before and after catalytic reactions. The stability of a given oxidation state of copper under reaction conditions were found to be a function of the oxidizing power of the CO/O[sub 2] partial pressure ratio: Metallicmore »« less
DOI: 10.1006/jcat.1994.1173
Reaction of copper oxides with the reaction medium in the heterogeneous catalytic oxidation of carbon monoxide by molecular oxygen. v. formation of the steady state on the surface of copper oxides

Sadykov, V.A. ; Popovskii, V.V. ; Tikhov, S.F. - Kinet. Catal. (Engl. Transl.); (United States)

The steady state for the Cu-O system in the catalytic oxidation of CO by excess O/sub 2/ corresponds to a CuO /SUB 1-d/ phase with an enhanced concentration of point defects. The reaction of the copper oxide catalyst with the reaction medium entails a rather rapid change in the oxidation state of the surface and layer adjacent to the surface and much slower creation and destruction of extended defects. The creation of extended defects is related to phase rearrangements of the surface layer, while their destruction leads to a reduction in catalytic activity by one or two orders of magnitude.
Interaction of copper oxides with reaction medium in heterogeneous catalytic oxidation of carbon monoxide by molecular oxygen. IV. IR spectroscopic study of carbon monoxide interaction with copper oxide surface

Lokhov, Y.A. ; Popovskii, V.V. ; Sadykov, V.A. ; ... - Kinet. Catal. (Engl. Transl.); (United States)

An IR spectroscopic study has been made of the interaction of CO with CuO prepared in different ways, and the interaction of O/sub 2/ with carbon monoxide preadsorbed on CuO. A number of Cu/sup +/CO surface complexes have been detected (2114-2148 cm/sup -1/) with a heat of adsorption about 79.5-180 kJ/mole. From an analysis of the nature of these complexes, we have evaluated the processes taking place on the CuO surface when it interacts with CO and have compared the properties of massive CuO with those of CuO on oxide supports. The data are interpreted on the assumption that extendedmore »« less