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  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Some studies on electron transfer theory and a theoretical study of electrochemical reduction of oxygen on platinum
  name:
    name part: Sidik, Reyimjan Abdu
    name part: 1965-
    role:
      role term: creator
  type of resource: text
  genre: bibliography
  origin info:
    place:
      place term: xx
    date issued: 1997
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: print
    extent: xiv, 143 leaves : illustrations ; 28 cm.
  abstract: This work consists of two parts. In the first part, the
  abstract: effect of the potential energy function on the charge
  abstract: transfer theory was studied. Use of a harmonic potential in
  abstract: the potential energy distance relations for charge transfer
  abstract: reactions at electrodes predicts nonlinear Tafel lines and an
  abstract: inverted region for current-potential relations which are in
  abstract: disagreement with well established experimental laws, well
  abstract: known for electron and ion transfer reactions. The inverted
  abstract: region was analyzed in terms of harmonic and Morse type
  abstract: potential energy profiles. Tafel linearity is known
  abstract: (experimentally) to extend over more than 0.6 V for redox
  abstract: reactions and 1.2 V for hydrogen and oxygen evolution; it
  abstract: does not exceed 0.2 V using the harmonic potential energy -
  abstract: distance relations. Qualitatively, an inverted region can
  abstract: not be obtained if a realistic Morse type anharmonic
  abstract: potential energy profile is used. The constant value of the
  abstract: reorganization energy used in interpreting the experimental
  abstract: data to represent the inverted region needs revision. Non-
  abstract: linear Tafel plots for organic spacer covered electrodes can
  abstract: be interpreted in terms of resonance tunneling of the
  abstract: electron across the barrier in the spacer layer. In the
  abstract: second part of this work a theoretical study of
  abstract: electrochemical reduction oxygen on platinum was carried out.
  abstract: In this latter work, multi-dimensional potential energy
  abstract: surfaces were constructed for the experimentally found most
  abstract: probable rate-determining step in electroreduction of oxygen
  abstract: (ERO) on Pt(I II) and Pt(I 00) using a combination of
  abstract: experimental data in Morse functions and ASED-MO, a semi-
  abstract: empirical quantum mechanical technique. The minimum energy
  abstract: path for the reaction was extracted by Euler's single step
  abstract: method. The non-adiabacity of the electron transfer step was
  abstract: treated with Landau-Zener formalism and the proton tunneling
  abstract: was taken into account using an Eckart barrier. On this
  abstract: basis, the kinetic parameters, e.g., the activation energies,
  abstract: entropies of activation, the symmetry factors and reaction
  abstract: rates of the model reaction, were calculated.
  note: by Reyimjan Abdu Sidik.
  note: Vita.
  note: "Major Subject: Chemistry".
  note: Issued also on microfiche from University Microfilms Inc.
  note: Includes bibliographical references: pages 113-123.
  note: Ph. D. Texas A&M University 1997.
  subject:
    topic: Major chemistry
  identifier: 98-00811 UMI
  identifier: http://proxy.library.tamu.edu/login
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  record info:
    record content source: TXA
    record creation date: 980409
    record change date: 20190325093503.0
    record identifier: in00001416952